251904105

素因数分解:

$3^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{130183}}^1$

素因数の和:130237

約数の個数: 24

約数和(自身を含む): 446791488

約数和(自身を除く): 194887383

約数列:

[1, 3, 5, 9, 15, 43, 45, 129, 215, 387, 645, 1935, 130183, 390549, 650915, 1171647, 1952745, 5597869, 5858235, 16793607, 27989345, 50380821, 83968035, 251904105]

約数ペア:

[(1, 251904105), (3, 83968035), (5, 50380821), (9, 27989345), (15, 16793607), (43, 5858235), (45, 5597869), (129, 1952745), (215, 1171647), (387, 650915), (645, 390549), (1935, 130183)]