2128575

素因数分解:

$3^1\times 5^2\times {\mathrm{101}}^1\times {\mathrm{281}}^1$

素因数の和:395

約数の個数: 24

約数和(自身を含む): 3566736

約数和(自身を除く): 1438161

約数列:

[1, 3, 5, 15, 25, 75, 101, 281, 303, 505, 843, 1405, 1515, 2525, 4215, 7025, 7575, 21075, 28381, 85143, 141905, 425715, 709525, 2128575]

約数ペア:

[(1, 2128575), (3, 709525), (5, 425715), (15, 141905), (25, 85143), (75, 28381), (101, 21075), (281, 7575), (303, 7025), (505, 4215), (843, 2525), (1405, 1515)]