9979875

素因数分解:

$3^3\times 5^3\times {\mathrm{2957}}^1$

素因数の和:2981

約数の個数: 32

約数和(自身を含む): 18457920

約数和(自身を除く): 8478045

約数列:

[1, 3, 5, 9, 15, 25, 27, 45, 75, 125, 135, 225, 375, 675, 1125, 2957, 3375, 8871, 14785, 26613, 44355, 73925, 79839, 133065, 221775, 369625, 399195, 665325, 1108875, 1995975, 3326625, 9979875]

約数ペア:

[(1, 9979875), (3, 3326625), (5, 1995975), (9, 1108875), (15, 665325), (25, 399195), (27, 369625), (45, 221775), (75, 133065), (125, 79839), (135, 73925), (225, 44355), (375, 26613), (675, 14785), (1125, 8871), (2957, 3375)]