28291365

素因数分解:

$3^2\times 5^1\times {\mathrm{139}}^1\times {\mathrm{4523}}^1$

素因数の和:4673

約数の個数: 24

約数和(自身を含む): 49402080

約数和(自身を除く): 21110715

約数列:

[1, 3, 5, 9, 15, 45, 139, 417, 695, 1251, 2085, 4523, 6255, 13569, 22615, 40707, 67845, 203535, 628697, 1886091, 3143485, 5658273, 9430455, 28291365]

約数ペア:

[(1, 28291365), (3, 9430455), (5, 5658273), (9, 3143485), (15, 1886091), (45, 628697), (139, 203535), (417, 67845), (695, 40707), (1251, 22615), (2085, 13569), (4523, 6255)]