84321972

素因数分解:

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

素因数の和:61

約数の個数: 144

約数和(自身を含む): 267845760

約数和(自身を除く): 183523788

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 17, 18, 21, 27, 28, 34, 36, 42, 51, 54, 63, 68, 81, 84, 102, 108, 119, 126, 153, 162, 189, 204, 238, 243, 252, 306, 324, 357, 378, 459, 476, 486, 567, 612, 714, 729, 756, 918, 972, 1071, 1134, 1377, 1428, 1458, 1701, 1836, 2142, 2187, 2268, 2754, 2916, 3213, 3402, 4131, 4284, 4374, 5103, 5508, 6426, 6561, 6804, 8262, 8748, 9639, 10206, 12393, 12852, 13122, 15309, 16524, 19278, 19683, 20412, 24786, 26244, 28917, 30618, 37179, 38556, 39366, 45927, 49572, 57834, 59049, 61236, 74358, 78732, 86751, 91854, 111537, 115668, 118098, 137781, 148716, 173502, 177147, 183708, 223074, 236196, 260253, 275562, 334611, 347004, 354294, 413343, 446148, 520506, 551124, 669222, 708588, 780759, 826686, 1003833, 1041012, 1240029, 1338444, 1561518, 1653372, 2007666, 2342277, 2480058, 3011499, 3123036, 4015332, 4684554, 4960116, 6022998, 7026831, 9369108, 12045996, 14053662, 21080493, 28107324, 42160986, 84321972]

約数ペア:

[(1, 84321972), (2, 42160986), (3, 28107324), (4, 21080493), (6, 14053662), (7, 12045996), (9, 9369108), (12, 7026831), (14, 6022998), (17, 4960116), (18, 4684554), (21, 4015332), (27, 3123036), (28, 3011499), (34, 2480058), (36, 2342277), (42, 2007666), (51, 1653372), (54, 1561518), (63, 1338444), (68, 1240029), (81, 1041012), (84, 1003833), (102, 826686), (108, 780759), (119, 708588), (126, 669222), (153, 551124), (162, 520506), (189, 446148), (204, 413343), (238, 354294), (243, 347004), (252, 334611), (306, 275562), (324, 260253), (357, 236196), (378, 223074), (459, 183708), (476, 177147), (486, 173502), (567, 148716), (612, 137781), (714, 118098), (729, 115668), (756, 111537), (918, 91854), (972, 86751), (1071, 78732), (1134, 74358), (1377, 61236), (1428, 59049), (1458, 57834), (1701, 49572), (1836, 45927), (2142, 39366), (2187, 38556), (2268, 37179), (2754, 30618), (2916, 28917), (3213, 26244), (3402, 24786), (4131, 20412), (4284, 19683), (4374, 19278), (5103, 16524), (5508, 15309), (6426, 13122), (6561, 12852), (6804, 12393), (8262, 10206), (8748, 9639)]