1521000663

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{5571431}}^1$

素因数の和:5571454

約数の個数: 16

約数和(自身を含む): 2496001536

約数和(自身を除く): 975000873

約数列:

[1, 3, 7, 13, 21, 39, 91, 273, 5571431, 16714293, 39000017, 72428603, 117000051, 217285809, 507000221, 1521000663]

約数ペア:

[(1, 1521000663), (3, 507000221), (7, 217285809), (13, 117000051), (21, 72428603), (39, 39000017), (91, 16714293), (273, 5571431)]