9900305

素因数分解:

$5^1\times {\mathrm{97}}^1\times {\mathrm{137}}^1\times {\mathrm{149}}^1$

素因数の和:388

約数の個数: 16

約数和(自身を含む): 12171600

約数和(自身を除く): 2271295

約数列:

[1, 5, 97, 137, 149, 485, 685, 745, 13289, 14453, 20413, 66445, 72265, 102065, 1980061, 9900305]

約数ペア:

[(1, 9900305), (5, 1980061), (97, 102065), (137, 72265), (149, 66445), (485, 20413), (685, 14453), (745, 13289)]