520015987917

素因数分解:

$3^2\times {\mathrm{23}}^1\times {\mathrm{809}}^1\times {\mathrm{3105259}}^1$

素因数の和:3106097

約数の個数: 24

約数和(自身を含む): 784761307200

約数和(自身を除く): 264745319283

約数列:

[1, 3, 9, 23, 69, 207, 809, 2427, 7281, 18607, 55821, 167463, 3105259, 9315777, 27947331, 71420957, 214262871, 642788613, 2512154531, 7536463593, 22609390779, 57779554213, 173338662639, 520015987917]

約数ペア:

[(1, 520015987917), (3, 173338662639), (9, 57779554213), (23, 22609390779), (69, 7536463593), (207, 2512154531), (809, 642788613), (2427, 214262871), (7281, 71420957), (18607, 27947331), (55821, 9315777), (167463, 3105259)]