81718686

素因数分解:

$2^1\times 3^3\times 7^1\times {\mathrm{53}}^1\times {\mathrm{4079}}^1$

素因数の和:4150

約数の個数: 64

約数和(自身を含む): 211507200

約数和(自身を除く): 129788514

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 27, 42, 53, 54, 63, 106, 126, 159, 189, 318, 371, 378, 477, 742, 954, 1113, 1431, 2226, 2862, 3339, 4079, 6678, 8158, 10017, 12237, 20034, 24474, 28553, 36711, 57106, 73422, 85659, 110133, 171318, 216187, 220266, 256977, 432374, 513954, 648561, 770931, 1297122, 1513309, 1541862, 1945683, 3026618, 3891366, 4539927, 5837049, 9079854, 11674098, 13619781, 27239562, 40859343, 81718686]

約数ペア:

[(1, 81718686), (2, 40859343), (3, 27239562), (6, 13619781), (7, 11674098), (9, 9079854), (14, 5837049), (18, 4539927), (21, 3891366), (27, 3026618), (42, 1945683), (53, 1541862), (54, 1513309), (63, 1297122), (106, 770931), (126, 648561), (159, 513954), (189, 432374), (318, 256977), (371, 220266), (378, 216187), (477, 171318), (742, 110133), (954, 85659), (1113, 73422), (1431, 57106), (2226, 36711), (2862, 28553), (3339, 24474), (4079, 20034), (6678, 12237), (8158, 10017)]