28228563

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{389}}^1\times {\mathrm{733}}^1$

素因数の和:1139

約数の個数: 24

約数和(自身を含む): 44656560

約数和(自身を除く): 16427997

約数列:

[1, 3, 9, 11, 33, 99, 389, 733, 1167, 2199, 3501, 4279, 6597, 8063, 12837, 24189, 38511, 72567, 285137, 855411, 2566233, 3136507, 9409521, 28228563]

約数ペア:

[(1, 28228563), (3, 9409521), (9, 3136507), (11, 2566233), (33, 855411), (99, 285137), (389, 72567), (733, 38511), (1167, 24189), (2199, 12837), (3501, 8063), (4279, 6597)]