979291287

素因数分解:

$3^2\times {\mathrm{13}}^2\times {\mathrm{643847}}^1$

素因数の和:643879

約数の個数: 18

約数和(自身を含む): 1531714392

約数和(自身を除く): 552423105

約数列:

[1, 3, 9, 13, 39, 117, 169, 507, 1521, 643847, 1931541, 5794623, 8370011, 25110033, 75330099, 108810143, 326430429, 979291287]

約数ペア:

[(1, 979291287), (3, 326430429), (9, 108810143), (13, 75330099), (39, 25110033), (117, 8370011), (169, 5794623), (507, 1931541), (1521, 643847)]