31870827

素因数分解:

$3^4\times {\mathrm{257}}^1\times {\mathrm{1531}}^1$

素因数の和:1800

約数の個数: 20

約数和(自身を含む): 47825976

約数和(自身を除く): 15955149

約数列:

[1, 3, 9, 27, 81, 257, 771, 1531, 2313, 4593, 6939, 13779, 20817, 41337, 124011, 393467, 1180401, 3541203, 10623609, 31870827]

約数ペア:

[(1, 31870827), (3, 10623609), (9, 3541203), (27, 1180401), (81, 393467), (257, 124011), (771, 41337), (1531, 20817), (2313, 13779), (4593, 6939)]