1271545

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{379}}^1$

素因数の和:456

約数の個数: 16

約数和(自身を含む): 1696320

約数和(自身を除く): 424775

約数列:

[1, 5, 11, 55, 61, 305, 379, 671, 1895, 3355, 4169, 20845, 23119, 115595, 254309, 1271545]

約数ペア:

[(1, 1271545), (5, 254309), (11, 115595), (55, 23119), (61, 20845), (305, 4169), (379, 3355), (671, 1895)]