381625

素因数分解:

$5^3\times {\mathrm{43}}^1\times {\mathrm{71}}^1$

素因数の和:129

約数の個数: 16

約数和(自身を含む): 494208

約数和(自身を除く): 112583

約数列:

[1, 5, 25, 43, 71, 125, 215, 355, 1075, 1775, 3053, 5375, 8875, 15265, 76325, 381625]

約数ペア:

[(1, 381625), (5, 76325), (25, 15265), (43, 8875), (71, 5375), (125, 3053), (215, 1775), (355, 1075)]