28091715

素因数分解:

$3^1\times 5^1\times {\mathrm{149}}^1\times {\mathrm{12569}}^1$

素因数の和:12726

約数の個数: 16

約数和(自身を含む): 45252000

約数和(自身を除く): 17160285

約数列:

[1, 3, 5, 15, 149, 447, 745, 2235, 12569, 37707, 62845, 188535, 1872781, 5618343, 9363905, 28091715]

約数ペア:

[(1, 28091715), (3, 9363905), (5, 5618343), (15, 1872781), (149, 188535), (447, 62845), (745, 37707), (2235, 12569)]