28638495

素因数分解:

$3^3\times 5^1\times {\mathrm{307}}^1\times {\mathrm{691}}^1$

素因数の和:1012

約数の個数: 32

約数和(自身を含む): 51152640

約数和(自身を除く): 22514145

約数列:

[1, 3, 5, 9, 15, 27, 45, 135, 307, 691, 921, 1535, 2073, 2763, 3455, 4605, 6219, 8289, 10365, 13815, 18657, 31095, 41445, 93285, 212137, 636411, 1060685, 1909233, 3182055, 5727699, 9546165, 28638495]

約数ペア:

[(1, 28638495), (3, 9546165), (5, 5727699), (9, 3182055), (15, 1909233), (27, 1060685), (45, 636411), (135, 212137), (307, 93285), (691, 41445), (921, 31095), (1535, 18657), (2073, 13815), (2763, 10365), (3455, 8289), (4605, 6219)]