28249575

素因数分解:

$3^1\times 5^2\times {\mathrm{181}}^1\times {\mathrm{2081}}^1$

素因数の和:2275

約数の個数: 24

約数和(自身を含む): 46986576

約数和(自身を除く): 18737001

約数列:

[1, 3, 5, 15, 25, 75, 181, 543, 905, 2081, 2715, 4525, 6243, 10405, 13575, 31215, 52025, 156075, 376661, 1129983, 1883305, 5649915, 9416525, 28249575]

約数ペア:

[(1, 28249575), (3, 9416525), (5, 5649915), (15, 1883305), (25, 1129983), (75, 376661), (181, 156075), (543, 52025), (905, 31215), (2081, 13575), (2715, 10405), (4525, 6243)]