1230005

素因数分解:

$5^1\times 7^1\times {\mathrm{113}}^1\times {\mathrm{311}}^1$

素因数の和:436

約数の個数: 16

約数和(自身を含む): 1707264

約数和(自身を除く): 477259

約数列:

[1, 5, 7, 35, 113, 311, 565, 791, 1555, 2177, 3955, 10885, 35143, 175715, 246001, 1230005]

約数ペア:

[(1, 1230005), (5, 246001), (7, 175715), (35, 35143), (113, 10885), (311, 3955), (565, 2177), (791, 1555)]