31391307

素因数分解:

$3^4\times {\mathrm{373}}^1\times {\mathrm{1039}}^1$

素因数の和:1424

約数の個数: 20

約数和(自身を含む): 47064160

約数和(自身を除く): 15672853

約数列:

[1, 3, 9, 27, 81, 373, 1039, 1119, 3117, 3357, 9351, 10071, 28053, 30213, 84159, 387547, 1162641, 3487923, 10463769, 31391307]

約数ペア:

[(1, 31391307), (3, 10463769), (9, 3487923), (27, 1162641), (81, 387547), (373, 84159), (1039, 30213), (1119, 28053), (3117, 10071), (3357, 9351)]