13506925

素因数分解:

$5^2\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{521}}^1$

素因数の和:609

約数の個数: 24

約数和(自身を含む): 18059112

約数和(自身を除く): 4552187

約数列:

[1, 5, 17, 25, 61, 85, 305, 425, 521, 1037, 1525, 2605, 5185, 8857, 13025, 25925, 31781, 44285, 158905, 221425, 540277, 794525, 2701385, 13506925]

約数ペア:

[(1, 13506925), (5, 2701385), (17, 794525), (25, 540277), (61, 221425), (85, 158905), (305, 44285), (425, 31781), (521, 25925), (1037, 13025), (1525, 8857), (2605, 5185)]