28237725

素因数分解:

$3^2\times 5^2\times {\mathrm{41}}^1\times {\mathrm{3061}}^1$

素因数の和:3118

約数の個数: 36

約数和(自身を含む): 51827412

約数和(自身を除く): 23589687

約数列:

[1, 3, 5, 9, 15, 25, 41, 45, 75, 123, 205, 225, 369, 615, 1025, 1845, 3061, 3075, 9183, 9225, 15305, 27549, 45915, 76525, 125501, 137745, 229575, 376503, 627505, 688725, 1129509, 1882515, 3137525, 5647545, 9412575, 28237725]

約数ペア:

[(1, 28237725), (3, 9412575), (5, 5647545), (9, 3137525), (15, 1882515), (25, 1129509), (41, 688725), (45, 627505), (75, 376503), (123, 229575), (205, 137745), (225, 125501), (369, 76525), (615, 45915), (1025, 27549), (1845, 15305), (3061, 9225), (3075, 9183)]