28973325

素因数分解:

$3^1\times 5^2\times {\mathrm{71}}^1\times {\mathrm{5441}}^1$

素因数の和:5525

約数の個数: 24

約数和(自身を含む): 48586176

約数和(自身を除く): 19612851

約数列:

[1, 3, 5, 15, 25, 71, 75, 213, 355, 1065, 1775, 5325, 5441, 16323, 27205, 81615, 136025, 386311, 408075, 1158933, 1931555, 5794665, 9657775, 28973325]

約数ペア:

[(1, 28973325), (3, 9657775), (5, 5794665), (15, 1931555), (25, 1158933), (71, 408075), (75, 386311), (213, 136025), (355, 81615), (1065, 27205), (1775, 16323), (5325, 5441)]