28752345

素因数分解:

$3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{20611}}^1$

素因数の和:20653

約数の個数: 24

約数和(自身を含む): 51447552

約数和(自身を除く): 22695207

約数列:

[1, 3, 5, 9, 15, 31, 45, 93, 155, 279, 465, 1395, 20611, 61833, 103055, 185499, 309165, 638941, 927495, 1916823, 3194705, 5750469, 9584115, 28752345]

約数ペア:

[(1, 28752345), (3, 9584115), (5, 5750469), (9, 3194705), (15, 1916823), (31, 927495), (45, 638941), (93, 309165), (155, 185499), (279, 103055), (465, 61833), (1395, 20611)]