90681625

素因数分解:

$5^3\times {\mathrm{43}}^1\times {\mathrm{16871}}^1$

素因数の和:16929

約数の個数: 16

約数和(自身を含む): 115809408

約数和(自身を除く): 25127783

約数列:

[1, 5, 25, 43, 125, 215, 1075, 5375, 16871, 84355, 421775, 725453, 2108875, 3627265, 18136325, 90681625]

約数ペア:

[(1, 90681625), (5, 18136325), (25, 3627265), (43, 2108875), (125, 725453), (215, 421775), (1075, 84355), (5375, 16871)]