31980075

素因数分解:

$3^1\times 5^2\times {\mathrm{426401}}^1$

素因数の和:426414

約数の個数: 12

約数和(自身を含む): 52873848

約数和(自身を除く): 20893773

約数列:

[1, 3, 5, 15, 25, 75, 426401, 1279203, 2132005, 6396015, 10660025, 31980075]

約数ペア:

[(1, 31980075), (3, 10660025), (5, 6396015), (15, 2132005), (25, 1279203), (75, 426401)]