27991656

素因数分解:

$2^3\times 3^5\times 7^1\times {\mathrm{11}}^2\times {\mathrm{17}}^1$

素因数の和:67

約数の個数: 288

約数和(自身を含む): 104569920

約数和(自身を除く): 76578264

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 11, 12, 14, 17, 18, 21, 22, 24, 27, 28, 33, 34, 36, 42, 44, 51, 54, 56, 63, 66, 68, 72, 77, 81, 84, 88, 99, 102, 108, 119, 121, 126, 132, 136, 153, 154, 162, 168, 187, 189, 198, 204, 216, 231, 238, 242, 243, 252, 264, 297, 306, 308, 324, 357, 363, 374, 378, 396, 408, 459, 462, 476, 484, 486, 504, 561, 567, 594, 612, 616, 648, 693, 714, 726, 748, 756, 792, 847, 891, 918, 924, 952, 968, 972, 1071, 1089, 1122, 1134, 1188, 1224, 1309, 1377, 1386, 1428, 1452, 1496, 1512, 1683, 1694, 1701, 1782, 1836, 1848, 1944, 2057, 2079, 2142, 2178, 2244, 2268, 2376, 2541, 2618, 2673, 2754, 2772, 2856, 2904, 3213, 3267, 3366, 3388, 3402, 3564, 3672, 3927, 4114, 4131, 4158, 4284, 4356, 4488, 4536, 5049, 5082, 5236, 5346, 5508, 5544, 6171, 6237, 6426, 6534, 6732, 6776, 6804, 7128, 7623, 7854, 8228, 8262, 8316, 8568, 8712, 9639, 9801, 10098, 10164, 10472, 10692, 11016, 11781, 12342, 12474, 12852, 13068, 13464, 13608, 14399, 15147, 15246, 15708, 16456, 16524, 16632, 18513, 18711, 19278, 19602, 20196, 20328, 21384, 22869, 23562, 24684, 24948, 25704, 26136, 28798, 28917, 29403, 30294, 30492, 31416, 33048, 35343, 37026, 37422, 38556, 39204, 40392, 43197, 45441, 45738, 47124, 49368, 49896, 55539, 57596, 57834, 58806, 60588, 60984, 68607, 70686, 74052, 74844, 77112, 78408, 86394, 90882, 91476, 94248, 106029, 111078, 115192, 115668, 117612, 121176, 129591, 137214, 141372, 148104, 149688, 166617, 172788, 181764, 182952, 205821, 212058, 222156, 231336, 235224, 259182, 274428, 282744, 318087, 333234, 345576, 363528, 388773, 411642, 424116, 444312, 499851, 518364, 548856, 636174, 666468, 777546, 823284, 848232, 999702, 1036728, 1166319, 1272348, 1332936, 1555092, 1646568, 1999404, 2332638, 2544696, 3110184, 3498957, 3998808, 4665276, 6997914, 9330552, 13995828, 27991656]

約数ペア:

[(1, 27991656), (2, 13995828), (3, 9330552), (4, 6997914), (6, 4665276), (7, 3998808), (8, 3498957), (9, 3110184), (11, 2544696), (12, 2332638), (14, 1999404), (17, 1646568), (18, 1555092), (21, 1332936), (22, 1272348), (24, 1166319), (27, 1036728), (28, 999702), (33, 848232), (34, 823284), (36, 777546), (42, 666468), (44, 636174), (51, 548856), (54, 518364), (56, 499851), (63, 444312), (66, 424116), (68, 411642), (72, 388773), (77, 363528), (81, 345576), (84, 333234), (88, 318087), (99, 282744), (102, 274428), (108, 259182), (119, 235224), (121, 231336), (126, 222156), (132, 212058), (136, 205821), (153, 182952), (154, 181764), (162, 172788), (168, 166617), (187, 149688), (189, 148104), (198, 141372), (204, 137214), (216, 129591), (231, 121176), (238, 117612), (242, 115668), (243, 115192), (252, 111078), (264, 106029), (297, 94248), (306, 91476), (308, 90882), (324, 86394), (357, 78408), (363, 77112), (374, 74844), (378, 74052), (396, 70686), (408, 68607), (459, 60984), (462, 60588), (476, 58806), (484, 57834), (486, 57596), (504, 55539), (561, 49896), (567, 49368), (594, 47124), (612, 45738), (616, 45441), (648, 43197), (693, 40392), (714, 39204), (726, 38556), (748, 37422), (756, 37026), (792, 35343), (847, 33048), (891, 31416), (918, 30492), (924, 30294), (952, 29403), (968, 28917), (972, 28798), (1071, 26136), (1089, 25704), (1122, 24948), (1134, 24684), (1188, 23562), (1224, 22869), (1309, 21384), (1377, 20328), (1386, 20196), (1428, 19602), (1452, 19278), (1496, 18711), (1512, 18513), (1683, 16632), (1694, 16524), (1701, 16456), (1782, 15708), (1836, 15246), (1848, 15147), (1944, 14399), (2057, 13608), (2079, 13464), (2142, 13068), (2178, 12852), (2244, 12474), (2268, 12342), (2376, 11781), (2541, 11016), (2618, 10692), (2673, 10472), (2754, 10164), (2772, 10098), (2856, 9801), (2904, 9639), (3213, 8712), (3267, 8568), (3366, 8316), (3388, 8262), (3402, 8228), (3564, 7854), (3672, 7623), (3927, 7128), (4114, 6804), (4131, 6776), (4158, 6732), (4284, 6534), (4356, 6426), (4488, 6237), (4536, 6171), (5049, 5544), (5082, 5508), (5236, 5346)]