8181747

素因数分解:

$3^2\times 7^1\times {\mathrm{61}}^1\times {\mathrm{2129}}^1$

素因数の和:2203

約数の個数: 24

約数和(自身を含む): 13734240

約数和(自身を除く): 5552493

約数列:

[1, 3, 7, 9, 21, 61, 63, 183, 427, 549, 1281, 2129, 3843, 6387, 14903, 19161, 44709, 129869, 134127, 389607, 909083, 1168821, 2727249, 8181747]

約数ペア:

[(1, 8181747), (3, 2727249), (7, 1168821), (9, 909083), (21, 389607), (61, 134127), (63, 129869), (183, 44709), (427, 19161), (549, 14903), (1281, 6387), (2129, 3843)]