215003999

素因数分解:

$7^1\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{24631}}^1$

素因数の和:24710

約数の個数: 16

約数和(自身を含む): 260113920

約数和(自身を除く): 45109921

約数列:

[1, 7, 29, 43, 203, 301, 1247, 8729, 24631, 172417, 714299, 1059133, 5000093, 7413931, 30714857, 215003999]

約数ペア:

[(1, 215003999), (7, 30714857), (29, 7413931), (43, 5000093), (203, 1059133), (301, 714299), (1247, 172417), (8729, 24631)]