7661521

素因数分解:

$7^1\times {\mathrm{53}}^1\times {\mathrm{107}}^1\times {\mathrm{193}}^1$

素因数の和:360

約数の個数: 16

約数和(自身を含む): 9051264

約数和(自身を除く): 1389743

約数列:

[1, 7, 53, 107, 193, 371, 749, 1351, 5671, 10229, 20651, 39697, 71603, 144557, 1094503, 7661521]

約数ペア:

[(1, 7661521), (7, 1094503), (53, 144557), (107, 71603), (193, 39697), (371, 20651), (749, 10229), (1351, 5671)]