28475187

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{1481}}^1$

素因数の和:1543

約数の個数: 32

約数和(自身を含む): 44815680

約数和(自身を除く): 16340493

約数列:

[1, 3, 13, 17, 29, 39, 51, 87, 221, 377, 493, 663, 1131, 1479, 1481, 4443, 6409, 19227, 19253, 25177, 42949, 57759, 75531, 128847, 327301, 558337, 730133, 981903, 1675011, 2190399, 9491729, 28475187]

約数ペア:

[(1, 28475187), (3, 9491729), (13, 2190399), (17, 1675011), (29, 981903), (39, 730133), (51, 558337), (87, 327301), (221, 128847), (377, 75531), (493, 57759), (663, 42949), (1131, 25177), (1479, 19253), (1481, 19227), (4443, 6409)]