2155575

素因数分解:

$3^1\times 5^2\times {\mathrm{41}}^1\times {\mathrm{701}}^1$

素因数の和:755

約数の個数: 24

約数和(自身を含む): 3656016

約数和(自身を除く): 1500441

約数列:

[1, 3, 5, 15, 25, 41, 75, 123, 205, 615, 701, 1025, 2103, 3075, 3505, 10515, 17525, 28741, 52575, 86223, 143705, 431115, 718525, 2155575]

約数ペア:

[(1, 2155575), (3, 718525), (5, 431115), (15, 143705), (25, 86223), (41, 52575), (75, 28741), (123, 17525), (205, 10515), (615, 3505), (701, 3075), (1025, 2103)]