420825

素因数分解:

$3^1\times 5^2\times {\mathrm{31}}^1\times {\mathrm{181}}^1$

素因数の和:225

約数の個数: 24

約数和(自身を含む): 722176

約数和(自身を除く): 301351

約数列:

[1, 3, 5, 15, 25, 31, 75, 93, 155, 181, 465, 543, 775, 905, 2325, 2715, 4525, 5611, 13575, 16833, 28055, 84165, 140275, 420825]

約数ペア:

[(1, 420825), (3, 140275), (5, 84165), (15, 28055), (25, 16833), (31, 13575), (75, 5611), (93, 4525), (155, 2715), (181, 2325), (465, 905), (543, 775)]