28505235

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{172759}}^1$

素因数の和:172778

約数の個数: 16

約数和(自身を含む): 49754880

約数和(自身を除く): 21249645

約数列:

[1, 3, 5, 11, 15, 33, 55, 165, 172759, 518277, 863795, 1900349, 2591385, 5701047, 9501745, 28505235]

約数ペア:

[(1, 28505235), (3, 9501745), (5, 5701047), (11, 2591385), (15, 1900349), (33, 863795), (55, 518277), (165, 172759)]