15376221

素因数分解:

$3^2\times 7^1\times {\mathrm{107}}^1\times {\mathrm{2281}}^1$

素因数の和:2401

約数の個数: 24

約数和(自身を含む): 25631424

約数和(自身を除く): 10255203

約数列:

[1, 3, 7, 9, 21, 63, 107, 321, 749, 963, 2247, 2281, 6741, 6843, 15967, 20529, 47901, 143703, 244067, 732201, 1708469, 2196603, 5125407, 15376221]

約数ペア:

[(1, 15376221), (3, 5125407), (7, 2196603), (9, 1708469), (21, 732201), (63, 244067), (107, 143703), (321, 47901), (749, 20529), (963, 15967), (2247, 6843), (2281, 6741)]