72780043

素因数分解:

$7^2\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{2131}}^1$

素因数の和:2203

約数の個数: 24

約数和(自身を含む): 91872144

約数和(自身を除く): 19092101

約数列:

[1, 7, 17, 41, 49, 119, 287, 697, 833, 2009, 2131, 4879, 14917, 34153, 36227, 87371, 104419, 253589, 611597, 1485307, 1775123, 4281179, 10397149, 72780043]

約数ペア:

[(1, 72780043), (7, 10397149), (17, 4281179), (41, 1775123), (49, 1485307), (119, 611597), (287, 253589), (697, 104419), (833, 87371), (2009, 36227), (2131, 34153), (4879, 14917)]