2578473

素因数分解:

$3^9\times {\mathrm{131}}^1$

素因数の和:158

約数の個数: 20

約数和(自身を含む): 3897168

約数和(自身を除く): 1318695

約数列:

[1, 3, 9, 27, 81, 131, 243, 393, 729, 1179, 2187, 3537, 6561, 10611, 19683, 31833, 95499, 286497, 859491, 2578473]

約数ペア:

[(1, 2578473), (3, 859491), (9, 286497), (27, 95499), (81, 31833), (131, 19683), (243, 10611), (393, 6561), (729, 3537), (1179, 2187)]