28523715

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{172871}}^1$

素因数の和:172890

約数の個数: 16

約数和(自身を含む): 49787136

約数和(自身を除く): 21263421

約数列:

[1, 3, 5, 11, 15, 33, 55, 165, 172871, 518613, 864355, 1901581, 2593065, 5704743, 9507905, 28523715]

約数ペア:

[(1, 28523715), (3, 9507905), (5, 5704743), (11, 2593065), (15, 1901581), (33, 864355), (55, 518613), (165, 172871)]