389041945785

素因数分解:

$3^4\times 5^1\times {\mathrm{521}}^1\times {\mathrm{1843757}}^1$

素因数の和:1844295

約数の個数: 40

約数和(自身を含む): 698732656776

約数和(自身を除く): 309690710991

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 521, 1563, 2605, 4689, 7815, 14067, 23445, 42201, 70335, 211005, 1843757, 5531271, 9218785, 16593813, 27656355, 49781439, 82969065, 149344317, 248907195, 746721585, 960597397, 2881792191, 4802986985, 8645376573, 14408960955, 25936129719, 43226882865, 77808389157, 129680648595, 389041945785]

約数ペア:

[(1, 389041945785), (3, 129680648595), (5, 77808389157), (9, 43226882865), (15, 25936129719), (27, 14408960955), (45, 8645376573), (81, 4802986985), (135, 2881792191), (405, 960597397), (521, 746721585), (1563, 248907195), (2605, 149344317), (4689, 82969065), (7815, 49781439), (14067, 27656355), (23445, 16593813), (42201, 9218785), (70335, 5531271), (211005, 1843757)]