87420555

素因数分解:

$3^2\times 5^1\times {\mathrm{661}}^1\times {\mathrm{2939}}^1$

素因数の和:3611

約数の個数: 24

約数和(自身を含む): 151809840

約数和(自身を除く): 64389285

約数列:

[1, 3, 5, 9, 15, 45, 661, 1983, 2939, 3305, 5949, 8817, 9915, 14695, 26451, 29745, 44085, 132255, 1942679, 5828037, 9713395, 17484111, 29140185, 87420555]

約数ペア:

[(1, 87420555), (3, 29140185), (5, 17484111), (9, 9713395), (15, 5828037), (45, 1942679), (661, 132255), (1983, 44085), (2939, 29745), (3305, 26451), (5949, 14695), (8817, 9915)]