31480119

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{379}}^1\times {\mathrm{839}}^1$

素因数の和:1235

約数の個数: 24

約数和(自身を含む): 49795200

約数和(自身を除く): 18315081

約数列:

[1, 3, 9, 11, 33, 99, 379, 839, 1137, 2517, 3411, 4169, 7551, 9229, 12507, 27687, 37521, 83061, 317981, 953943, 2861829, 3497791, 10493373, 31480119]

約数ペア:

[(1, 31480119), (3, 10493373), (9, 3497791), (11, 2861829), (33, 953943), (99, 317981), (379, 83061), (839, 37521), (1137, 27687), (2517, 12507), (3411, 9229), (4169, 7551)]