859491

素因数分解:

$3^8\times {\mathrm{131}}^1$

素因数の和:155

約数の個数: 18

約数和(自身を含む): 1299012

約数和(自身を除く): 439521

約数列:

[1, 3, 9, 27, 81, 131, 243, 393, 729, 1179, 2187, 3537, 6561, 10611, 31833, 95499, 286497, 859491]

約数ペア:

[(1, 859491), (3, 286497), (9, 95499), (27, 31833), (81, 10611), (131, 6561), (243, 3537), (393, 2187), (729, 1179)]