11995839

素因数分解:

$3^2\times {\mathrm{43}}^1\times {\mathrm{139}}^1\times {\mathrm{223}}^1$

素因数の和:411

約数の個数: 24

約数和(自身を含む): 17937920

約数和(自身を除く): 5942081

約数列:

[1, 3, 9, 43, 129, 139, 223, 387, 417, 669, 1251, 2007, 5977, 9589, 17931, 28767, 30997, 53793, 86301, 92991, 278973, 1332871, 3998613, 11995839]

約数ペア:

[(1, 11995839), (3, 3998613), (9, 1332871), (43, 278973), (129, 92991), (139, 86301), (223, 53793), (387, 30997), (417, 28767), (669, 17931), (1251, 9589), (2007, 5977)]