256500531

素因数分解:

$3^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{177019}}^1$

素因数の和:177055

約数の個数: 24

約数和(自身を含む): 441841920

約数和(自身を除く): 185341389

約数列:

[1, 3, 7, 9, 21, 23, 63, 69, 161, 207, 483, 1449, 177019, 531057, 1239133, 1593171, 3717399, 4071437, 11152197, 12214311, 28500059, 36642933, 85500177, 256500531]

約数ペア:

[(1, 256500531), (3, 85500177), (7, 36642933), (9, 28500059), (21, 12214311), (23, 11152197), (63, 4071437), (69, 3717399), (161, 1593171), (207, 1239133), (483, 531057), (1449, 177019)]