28331235

素因数分解:

$3^3\times 5^1\times {\mathrm{209861}}^1$

素因数の和:209875

約数の個数: 16

約数和(自身を含む): 50366880

約数和(自身を除く): 22035645

約数列:

[1, 3, 5, 9, 15, 27, 45, 135, 209861, 629583, 1049305, 1888749, 3147915, 5666247, 9443745, 28331235]

約数ペア:

[(1, 28331235), (3, 9443745), (5, 5666247), (9, 3147915), (15, 1888749), (27, 1049305), (45, 629583), (135, 209861)]