28471521

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{9241}}^1$

素因数の和:9336

約数の個数: 16

約数和(自身を含む): 41404160

約数和(自身を除く): 12932639

約数列:

[1, 3, 13, 39, 79, 237, 1027, 3081, 9241, 27723, 120133, 360399, 730039, 2190117, 9490507, 28471521]

約数ペア:

[(1, 28471521), (3, 9490507), (13, 2190117), (39, 730039), (79, 360399), (237, 120133), (1027, 27723), (3081, 9241)]