1315666521

素因数分解:

$3^2\times {\mathrm{13}}^2\times {\mathrm{865001}}^1$

素因数の和:865033

約数の個数: 18

約数和(自身を含む): 2057839758

約数和(自身を除く): 742173237

約数列:

[1, 3, 9, 13, 39, 117, 169, 507, 1521, 865001, 2595003, 7785009, 11245013, 33735039, 101205117, 146185169, 438555507, 1315666521]

約数ペア:

[(1, 1315666521), (3, 438555507), (9, 146185169), (13, 101205117), (39, 33735039), (117, 11245013), (169, 7785009), (507, 2595003), (1521, 865001)]