18313875

素因数分解:

$3^2\times 5^3\times {\mathrm{73}}^1\times {\mathrm{223}}^1$

素因数の和:317

約数の個数: 48

約数和(自身を含む): 33616128

約数和(自身を除く): 15302253

約数列:

[1, 3, 5, 9, 15, 25, 45, 73, 75, 125, 219, 223, 225, 365, 375, 657, 669, 1095, 1115, 1125, 1825, 2007, 3285, 3345, 5475, 5575, 9125, 10035, 16279, 16425, 16725, 27375, 27875, 48837, 50175, 81395, 82125, 83625, 146511, 244185, 250875, 406975, 732555, 1220925, 2034875, 3662775, 6104625, 18313875]

約数ペア:

[(1, 18313875), (3, 6104625), (5, 3662775), (9, 2034875), (15, 1220925), (25, 732555), (45, 406975), (73, 250875), (75, 244185), (125, 146511), (219, 83625), (223, 82125), (225, 81395), (365, 50175), (375, 48837), (657, 27875), (669, 27375), (1095, 16725), (1115, 16425), (1125, 16279), (1825, 10035), (2007, 9125), (3285, 5575), (3345, 5475)]