1212909915

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{149}}^1\times {\mathrm{77527}}^1$

素因数の和:77691

約数の個数: 32

約数和(自身を含む): 2232806400

約数和(自身を除く): 1019896485

約数列:

[1, 3, 5, 7, 15, 21, 35, 105, 149, 447, 745, 1043, 2235, 3129, 5215, 15645, 77527, 232581, 387635, 542689, 1162905, 1628067, 2713445, 8140335, 11551523, 34654569, 57757615, 80860661, 173272845, 242581983, 404303305, 1212909915]

約数ペア:

[(1, 1212909915), (3, 404303305), (5, 242581983), (7, 173272845), (15, 80860661), (21, 57757615), (35, 34654569), (105, 11551523), (149, 8140335), (447, 2713445), (745, 1628067), (1043, 1162905), (2235, 542689), (3129, 387635), (5215, 232581), (15645, 77527)]