251281521

素因数分解:

$3^4\times {\mathrm{373}}^1\times {\mathrm{8317}}^1$

素因数の和:8702

約数の個数: 20

約数和(自身を含む): 376422772

約数和(自身を除く): 125141251

約数列:

[1, 3, 9, 27, 81, 373, 1119, 3357, 8317, 10071, 24951, 30213, 74853, 224559, 673677, 3102241, 9306723, 27920169, 83760507, 251281521]

約数ペア:

[(1, 251281521), (3, 83760507), (9, 27920169), (27, 9306723), (81, 3102241), (373, 673677), (1119, 224559), (3357, 74853), (8317, 30213), (10071, 24951)]