28825605

素因数分解:

$3^3\times 5^1\times {\mathrm{213523}}^1$

素因数の和:213537

約数の個数: 16

約数和(自身を含む): 51245760

約数和(自身を除く): 22420155

約数列:

[1, 3, 5, 9, 15, 27, 45, 135, 213523, 640569, 1067615, 1921707, 3202845, 5765121, 9608535, 28825605]

約数ペア:

[(1, 28825605), (3, 9608535), (5, 5765121), (9, 3202845), (15, 1921707), (27, 1067615), (45, 640569), (135, 213523)]