31830305

素因数分解:

$5^1\times {\mathrm{13}}^2\times {\mathrm{139}}^1\times {\mathrm{271}}^1$

素因数の和:441

約数の個数: 24

約数和(自身を含む): 41811840

約数和(自身を除く): 9981535

約数列:

[1, 5, 13, 65, 139, 169, 271, 695, 845, 1355, 1807, 3523, 9035, 17615, 23491, 37669, 45799, 117455, 188345, 228995, 489697, 2448485, 6366061, 31830305]

約数ペア:

[(1, 31830305), (5, 6366061), (13, 2448485), (65, 489697), (139, 228995), (169, 188345), (271, 117455), (695, 45799), (845, 37669), (1355, 23491), (1807, 17615), (3523, 9035)]