107991

素因数分解:

$3^2\times {\mathrm{13}}^2\times {\mathrm{71}}^1$

素因数の和:103

約数の個数: 18

約数和(自身を含む): 171288

約数和(自身を除く): 63297

約数列:

[1, 3, 9, 13, 39, 71, 117, 169, 213, 507, 639, 923, 1521, 2769, 8307, 11999, 35997, 107991]

約数ペア:

[(1, 107991), (3, 35997), (9, 11999), (13, 8307), (39, 2769), (71, 1521), (117, 923), (169, 639), (213, 507)]