163121625

素因数分解:

$3^2\times 5^3\times {\mathrm{61}}^1\times {\mathrm{2377}}^1$

素因数の和:2459

約数の個数: 48

約数和(自身を含む): 299000208

約数和(自身を除く): 135878583

約数列:

[1, 3, 5, 9, 15, 25, 45, 61, 75, 125, 183, 225, 305, 375, 549, 915, 1125, 1525, 2377, 2745, 4575, 7131, 7625, 11885, 13725, 21393, 22875, 35655, 59425, 68625, 106965, 144997, 178275, 297125, 434991, 534825, 724985, 891375, 1304973, 2174955, 2674125, 3624925, 6524865, 10874775, 18124625, 32624325, 54373875, 163121625]

約数ペア:

[(1, 163121625), (3, 54373875), (5, 32624325), (9, 18124625), (15, 10874775), (25, 6524865), (45, 3624925), (61, 2674125), (75, 2174955), (125, 1304973), (183, 891375), (225, 724985), (305, 534825), (375, 434991), (549, 297125), (915, 178275), (1125, 144997), (1525, 106965), (2377, 68625), (2745, 59425), (4575, 35655), (7131, 22875), (7625, 21393), (11885, 13725)]