28275255

素因数分解:

$3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{20269}}^1$

素因数の和:20311

約数の個数: 24

約数和(自身を含む): 50593920

約数和(自身を除く): 22318665

約数列:

[1, 3, 5, 9, 15, 31, 45, 93, 155, 279, 465, 1395, 20269, 60807, 101345, 182421, 304035, 628339, 912105, 1885017, 3141695, 5655051, 9425085, 28275255]

約数ペア:

[(1, 28275255), (3, 9425085), (5, 5655051), (9, 3141695), (15, 1885017), (31, 912105), (45, 628339), (93, 304035), (155, 182421), (279, 101345), (465, 60807), (1395, 20269)]