258468093

素因数分解:

$3^2\times {\mathrm{13}}^2\times {\mathrm{169933}}^1$

素因数の和:169965

約数の個数: 18

約数和(自身を含む): 404272986

約数和(自身を除く): 145804893

約数列:

[1, 3, 9, 13, 39, 117, 169, 507, 1521, 169933, 509799, 1529397, 2209129, 6627387, 19882161, 28718677, 86156031, 258468093]

約数ペア:

[(1, 258468093), (3, 86156031), (9, 28718677), (13, 19882161), (39, 6627387), (117, 2209129), (169, 1529397), (507, 509799), (1521, 169933)]