28986225

素因数分解:

$3^1\times 5^2\times {\mathrm{29}}^1\times {\mathrm{13327}}^1$

素因数の和:13369

約数の個数: 24

約数和(自身を含む): 49580160

約数和(自身を除く): 20593935

約数列:

[1, 3, 5, 15, 25, 29, 75, 87, 145, 435, 725, 2175, 13327, 39981, 66635, 199905, 333175, 386483, 999525, 1159449, 1932415, 5797245, 9662075, 28986225]

約数ペア:

[(1, 28986225), (3, 9662075), (5, 5797245), (15, 1932415), (25, 1159449), (29, 999525), (75, 386483), (87, 333175), (145, 199905), (435, 66635), (725, 39981), (2175, 13327)]