15131721

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{7517}}^1$

素因数の和:7592

約数の個数: 16

約数和(自身を含む): 22373568

約数和(自身を除く): 7241847

約数列:

[1, 3, 11, 33, 61, 183, 671, 2013, 7517, 22551, 82687, 248061, 458537, 1375611, 5043907, 15131721]

約数ペア:

[(1, 15131721), (3, 5043907), (11, 1375611), (33, 458537), (61, 248061), (183, 82687), (671, 22551), (2013, 7517)]