85977405

素因数分解:

$3^2\times 5^1\times {\mathrm{97}}^1\times {\mathrm{19697}}^1$

素因数の和:19805

約数の個数: 24

約数和(自身を含む): 150571512

約数和(自身を除く): 64594107

約数列:

[1, 3, 5, 9, 15, 45, 97, 291, 485, 873, 1455, 4365, 19697, 59091, 98485, 177273, 295455, 886365, 1910609, 5731827, 9553045, 17195481, 28659135, 85977405]

約数ペア:

[(1, 85977405), (3, 28659135), (5, 17195481), (9, 9553045), (15, 5731827), (45, 1910609), (97, 886365), (291, 295455), (485, 177273), (873, 98485), (1455, 59091), (4365, 19697)]