2257521

素因数分解:

$3^1\times 7^1\times {\mathrm{193}}^1\times {\mathrm{557}}^1$

素因数の和:760

約数の個数: 16

約数和(自身を含む): 3464064

約数和(自身を除く): 1206543

約数列:

[1, 3, 7, 21, 193, 557, 579, 1351, 1671, 3899, 4053, 11697, 107501, 322503, 752507, 2257521]

約数ペア:

[(1, 2257521), (3, 752507), (7, 322503), (21, 107501), (193, 11697), (557, 4053), (579, 3899), (1351, 1671)]