28740975

素因数分解:

$3^1\times 5^2\times {\mathrm{163}}^1\times {\mathrm{2351}}^1$

素因数の和:2527

約数の個数: 24

約数和(自身を含む): 47830272

約数和(自身を除く): 19089297

約数列:

[1, 3, 5, 15, 25, 75, 163, 489, 815, 2351, 2445, 4075, 7053, 11755, 12225, 35265, 58775, 176325, 383213, 1149639, 1916065, 5748195, 9580325, 28740975]

約数ペア:

[(1, 28740975), (3, 9580325), (5, 5748195), (15, 1916065), (25, 1149639), (75, 383213), (163, 176325), (489, 58775), (815, 35265), (2351, 12225), (2445, 11755), (4075, 7053)]