25688169

素因数分解:

$3^2\times {\mathrm{13}}^2\times {\mathrm{16889}}^1$

素因数の和:16921

約数の個数: 18

約数和(自身を含む): 40181310

約数和(自身を除く): 14493141

約数列:

[1, 3, 9, 13, 39, 117, 169, 507, 1521, 16889, 50667, 152001, 219557, 658671, 1976013, 2854241, 8562723, 25688169]

約数ペア:

[(1, 25688169), (3, 8562723), (9, 2854241), (13, 1976013), (39, 658671), (117, 219557), (169, 152001), (507, 50667), (1521, 16889)]