40408389

素因数分解:

$3^4\times 7^2\times {\mathrm{10181}}^1$

素因数の和:10207

約数の個数: 30

約数和(自身を含む): 70225254

約数和(自身を除く): 29816865

約数列:

[1, 3, 7, 9, 21, 27, 49, 63, 81, 147, 189, 441, 567, 1323, 3969, 10181, 30543, 71267, 91629, 213801, 274887, 498869, 641403, 824661, 1496607, 1924209, 4489821, 5772627, 13469463, 40408389]

約数ペア:

[(1, 40408389), (3, 13469463), (7, 5772627), (9, 4489821), (21, 1924209), (27, 1496607), (49, 824661), (63, 641403), (81, 498869), (147, 274887), (189, 213801), (441, 91629), (567, 71267), (1323, 30543), (3969, 10181)]