28403565

素因数分解:

$3^1\times 5^1\times {\mathrm{163}}^1\times {\mathrm{11617}}^1$

素因数の和:11788

約数の個数: 16

約数和(自身を含む): 45728448

約数和(自身を除く): 17324883

約数列:

[1, 3, 5, 15, 163, 489, 815, 2445, 11617, 34851, 58085, 174255, 1893571, 5680713, 9467855, 28403565]

約数ペア:

[(1, 28403565), (3, 9467855), (5, 5680713), (15, 1893571), (163, 174255), (489, 58085), (815, 34851), (2445, 11617)]