16678611

素因数分解:

$3^2\times {\mathrm{23}}^1\times {\mathrm{197}}^1\times {\mathrm{409}}^1$

素因数の和:635

約数の個数: 24

約数和(自身を含む): 25328160

約数和(自身を除く): 8649549

約数列:

[1, 3, 9, 23, 69, 197, 207, 409, 591, 1227, 1773, 3681, 4531, 9407, 13593, 28221, 40779, 80573, 84663, 241719, 725157, 1853179, 5559537, 16678611]

約数ペア:

[(1, 16678611), (3, 5559537), (9, 1853179), (23, 725157), (69, 241719), (197, 84663), (207, 80573), (409, 40779), (591, 28221), (1227, 13593), (1773, 9407), (3681, 4531)]