28374765

素因数分解:

$3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{139}}^1\times {\mathrm{439}}^1$

素因数の和:617

約数の個数: 32

約数和(自身を含む): 47308800

約数和(自身を除く): 18934035

約数列:

[1, 3, 5, 15, 31, 93, 139, 155, 417, 439, 465, 695, 1317, 2085, 2195, 4309, 6585, 12927, 13609, 21545, 40827, 61021, 64635, 68045, 183063, 204135, 305105, 915315, 1891651, 5674953, 9458255, 28374765]

約数ペア:

[(1, 28374765), (3, 9458255), (5, 5674953), (15, 1891651), (31, 915315), (93, 305105), (139, 204135), (155, 183063), (417, 68045), (439, 64635), (465, 61021), (695, 40827), (1317, 21545), (2085, 13609), (2195, 12927), (4309, 6585)]