28875873

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{20011}}^1$

素因数の和:20064

約数の個数: 16

約数和(自身を含む): 42585536

約数和(自身を除く): 13709663

約数列:

[1, 3, 13, 37, 39, 111, 481, 1443, 20011, 60033, 260143, 740407, 780429, 2221221, 9625291, 28875873]

約数ペア:

[(1, 28875873), (3, 9625291), (13, 2221221), (37, 780429), (39, 740407), (111, 260143), (481, 60033), (1443, 20011)]