28609125

素因数分解:

$3^1\times 5^3\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{107}}^1$

素因数の和:179

約数の個数: 64

約数和(自身を含む): 51757056

約数和(自身を除く): 23147931

約数列:

[1, 3, 5, 15, 23, 25, 31, 69, 75, 93, 107, 115, 125, 155, 321, 345, 375, 465, 535, 575, 713, 775, 1605, 1725, 2139, 2325, 2461, 2675, 2875, 3317, 3565, 3875, 7383, 8025, 8625, 9951, 10695, 11625, 12305, 13375, 16585, 17825, 36915, 40125, 49755, 53475, 61525, 76291, 82925, 89125, 184575, 228873, 248775, 267375, 307625, 381455, 414625, 922875, 1144365, 1243875, 1907275, 5721825, 9536375, 28609125]

約数ペア:

[(1, 28609125), (3, 9536375), (5, 5721825), (15, 1907275), (23, 1243875), (25, 1144365), (31, 922875), (69, 414625), (75, 381455), (93, 307625), (107, 267375), (115, 248775), (125, 228873), (155, 184575), (321, 89125), (345, 82925), (375, 76291), (465, 61525), (535, 53475), (575, 49755), (713, 40125), (775, 36915), (1605, 17825), (1725, 16585), (2139, 13375), (2325, 12305), (2461, 11625), (2675, 10695), (2875, 9951), (3317, 8625), (3565, 8025), (3875, 7383)]