28465521

素因数分解:

$3^1\times 7^2\times {\mathrm{41}}^1\times {\mathrm{4723}}^1$

素因数の和:4781

約数の個数: 24

約数和(自身を含む): 45237024

約数和(自身を除く): 16771503

約数列:

[1, 3, 7, 21, 41, 49, 123, 147, 287, 861, 2009, 4723, 6027, 14169, 33061, 99183, 193643, 231427, 580929, 694281, 1355501, 4066503, 9488507, 28465521]

約数ペア:

[(1, 28465521), (3, 9488507), (7, 4066503), (21, 1355501), (41, 694281), (49, 580929), (123, 231427), (147, 193643), (287, 99183), (861, 33061), (2009, 14169), (4723, 6027)]