401040477

素因数分解:

$3^4\times {\mathrm{2069}}^1\times {\mathrm{2393}}^1$

素因数の和:4474

約数の個数: 20

約数和(自身を含む): 599625180

約数和(自身を除く): 198584703

約数列:

[1, 3, 9, 27, 81, 2069, 2393, 6207, 7179, 18621, 21537, 55863, 64611, 167589, 193833, 4951117, 14853351, 44560053, 133680159, 401040477]

約数ペア:

[(1, 401040477), (3, 133680159), (9, 44560053), (27, 14853351), (81, 4951117), (2069, 193833), (2393, 167589), (6207, 64611), (7179, 55863), (18621, 21537)]