28638855

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{90917}}^1$

素因数の和:90935

約数の個数: 24

約数和(自身を含む): 56732832

約数和(自身を除く): 28093977

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 45, 63, 105, 315, 90917, 272751, 454585, 636419, 818253, 1363755, 1909257, 3182095, 4091265, 5727771, 9546285, 28638855]

約数ペア:

[(1, 28638855), (3, 9546285), (5, 5727771), (7, 4091265), (9, 3182095), (15, 1909257), (21, 1363755), (35, 818253), (45, 636419), (63, 454585), (105, 272751), (315, 90917)]