28665885

素因数分解:

$3^1\times 5^1\times {\mathrm{419}}^1\times {\mathrm{4561}}^1$

素因数の和:4988

約数の個数: 16

約数和(自身を含む): 45984960

約数和(自身を除く): 17319075

約数列:

[1, 3, 5, 15, 419, 1257, 2095, 4561, 6285, 13683, 22805, 68415, 1911059, 5733177, 9555295, 28665885]

約数ペア:

[(1, 28665885), (3, 9555295), (5, 5733177), (15, 1911059), (419, 68415), (1257, 22805), (2095, 13683), (4561, 6285)]