28860225

素因数分解:

$3^1\times 5^2\times {\mathrm{31}}^1\times {\mathrm{12413}}^1$

素因数の和:12457

約数の個数: 24

約数和(自身を含む): 49258752

約数和(自身を除く): 20398527

約数列:

[1, 3, 5, 15, 25, 31, 75, 93, 155, 465, 775, 2325, 12413, 37239, 62065, 186195, 310325, 384803, 930975, 1154409, 1924015, 5772045, 9620075, 28860225]

約数ペア:

[(1, 28860225), (3, 9620075), (5, 5772045), (15, 1924015), (25, 1154409), (31, 930975), (75, 384803), (93, 310325), (155, 186195), (465, 62065), (775, 37239), (2325, 12413)]