9780111

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{223}}^1\times {\mathrm{443}}^1$

素因数の和:683

約数の個数: 24

約数和(自身を含む): 15515136

約数和(自身を除く): 5735025

約数列:

[1, 3, 9, 11, 33, 99, 223, 443, 669, 1329, 2007, 2453, 3987, 4873, 7359, 14619, 22077, 43857, 98789, 296367, 889101, 1086679, 3260037, 9780111]

約数ペア:

[(1, 9780111), (3, 3260037), (9, 1086679), (11, 889101), (33, 296367), (99, 98789), (223, 43857), (443, 22077), (669, 14619), (1329, 7359), (2007, 4873), (2453, 3987)]