81675905

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{331}}^1\times {\mathrm{2903}}^1$

素因数の和:3256

約数の個数: 16

約数和(自身を含む): 104125824

約数和(自身を除く): 22449919

約数列:

[1, 5, 17, 85, 331, 1655, 2903, 5627, 14515, 28135, 49351, 246755, 960893, 4804465, 16335181, 81675905]

約数ペア:

[(1, 81675905), (5, 16335181), (17, 4804465), (85, 960893), (331, 246755), (1655, 49351), (2903, 28135), (5627, 14515)]