249221289

素因数分解:

$3^1\times {\mathrm{71}}^1\times {\mathrm{491}}^1\times {\mathrm{2383}}^1$

素因数の和:2948

約数の個数: 16

約数和(自身を含む): 337803264

約数和(自身を除く): 88581975

約数列:

[1, 3, 71, 213, 491, 1473, 2383, 7149, 34861, 104583, 169193, 507579, 1170053, 3510159, 83073763, 249221289]

約数ペア:

[(1, 249221289), (3, 83073763), (71, 3510159), (213, 1170053), (491, 507579), (1473, 169193), (2383, 104583), (7149, 34861)]