81505116

素因数分解:

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

素因数の和:65

約数の個数: 192

約数和(自身を含む): 268907520

約数和(自身を除く): 187402404

約数列:

[1, 2, 3, 4, 6, 7, 9, 11, 12, 14, 18, 21, 22, 27, 28, 33, 36, 42, 44, 54, 63, 66, 77, 81, 84, 99, 108, 121, 126, 132, 154, 162, 189, 198, 231, 242, 243, 252, 297, 308, 324, 363, 378, 396, 462, 484, 486, 567, 594, 693, 726, 729, 756, 847, 891, 924, 972, 1089, 1134, 1188, 1331, 1386, 1452, 1458, 1694, 1701, 1782, 2079, 2178, 2187, 2268, 2541, 2662, 2673, 2772, 2916, 3267, 3388, 3402, 3564, 3993, 4158, 4356, 4374, 5082, 5103, 5324, 5346, 6237, 6534, 6804, 7623, 7986, 8019, 8316, 8748, 9317, 9801, 10164, 10206, 10692, 11979, 12474, 13068, 15246, 15309, 15972, 16038, 18634, 18711, 19602, 20412, 22869, 23958, 24057, 24948, 27951, 29403, 30492, 30618, 32076, 35937, 37268, 37422, 39204, 45738, 47916, 48114, 55902, 56133, 58806, 61236, 68607, 71874, 74844, 83853, 88209, 91476, 96228, 107811, 111804, 112266, 117612, 137214, 143748, 167706, 168399, 176418, 205821, 215622, 224532, 251559, 264627, 274428, 323433, 335412, 336798, 352836, 411642, 431244, 503118, 529254, 617463, 646866, 673596, 754677, 823284, 970299, 1006236, 1058508, 1234926, 1293732, 1509354, 1852389, 1940598, 2264031, 2469852, 2910897, 3018708, 3704778, 3881196, 4528062, 5821794, 6792093, 7409556, 9056124, 11643588, 13584186, 20376279, 27168372, 40752558, 81505116]

約数ペア:

[(1, 81505116), (2, 40752558), (3, 27168372), (4, 20376279), (6, 13584186), (7, 11643588), (9, 9056124), (11, 7409556), (12, 6792093), (14, 5821794), (18, 4528062), (21, 3881196), (22, 3704778), (27, 3018708), (28, 2910897), (33, 2469852), (36, 2264031), (42, 1940598), (44, 1852389), (54, 1509354), (63, 1293732), (66, 1234926), (77, 1058508), (81, 1006236), (84, 970299), (99, 823284), (108, 754677), (121, 673596), (126, 646866), (132, 617463), (154, 529254), (162, 503118), (189, 431244), (198, 411642), (231, 352836), (242, 336798), (243, 335412), (252, 323433), (297, 274428), (308, 264627), (324, 251559), (363, 224532), (378, 215622), (396, 205821), (462, 176418), (484, 168399), (486, 167706), (567, 143748), (594, 137214), (693, 117612), (726, 112266), (729, 111804), (756, 107811), (847, 96228), (891, 91476), (924, 88209), (972, 83853), (1089, 74844), (1134, 71874), (1188, 68607), (1331, 61236), (1386, 58806), (1452, 56133), (1458, 55902), (1694, 48114), (1701, 47916), (1782, 45738), (2079, 39204), (2178, 37422), (2187, 37268), (2268, 35937), (2541, 32076), (2662, 30618), (2673, 30492), (2772, 29403), (2916, 27951), (3267, 24948), (3388, 24057), (3402, 23958), (3564, 22869), (3993, 20412), (4158, 19602), (4356, 18711), (4374, 18634), (5082, 16038), (5103, 15972), (5324, 15309), (5346, 15246), (6237, 13068), (6534, 12474), (6804, 11979), (7623, 10692), (7986, 10206), (8019, 10164), (8316, 9801), (8748, 9317)]