87815259

素因数分解:

$3^4\times 7^1\times {\mathrm{154877}}^1$

素因数の和:154896

約数の個数: 20

約数和(自身を含む): 149921904

約数和(自身を除く): 62106645

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 567, 154877, 464631, 1084139, 1393893, 3252417, 4181679, 9757251, 12545037, 29271753, 87815259]

約数ペア:

[(1, 87815259), (3, 29271753), (7, 12545037), (9, 9757251), (21, 4181679), (27, 3252417), (63, 1393893), (81, 1084139), (189, 464631), (567, 154877)]