11987781

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{5039}}^1$

素因数の和:5116

約数の個数: 16

約数和(自身を含む): 17498880

約数和(自身を除く): 5511099

約数列:

[1, 3, 13, 39, 61, 183, 793, 2379, 5039, 15117, 65507, 196521, 307379, 922137, 3995927, 11987781]

約数ペア:

[(1, 11987781), (3, 3995927), (13, 922137), (39, 307379), (61, 196521), (183, 65507), (793, 15117), (2379, 5039)]