12757521

素因数分解:

$3^1\times 7^1\times {\mathrm{163}}^1\times {\mathrm{3727}}^1$

素因数の和:3900

約数の個数: 16

約数和(自身を含む): 19564544

約数和(自身を除く): 6807023

約数列:

[1, 3, 7, 21, 163, 489, 1141, 3423, 3727, 11181, 26089, 78267, 607501, 1822503, 4252507, 12757521]

約数ペア:

[(1, 12757521), (3, 4252507), (7, 1822503), (21, 607501), (163, 78267), (489, 26089), (1141, 11181), (3423, 3727)]