28904643

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{3931}}^1$

素因数の和:3999

約数の個数: 24

約数和(自身を含む): 44982080

約数和(自身を除く): 16077437

約数列:

[1, 3, 9, 19, 43, 57, 129, 171, 387, 817, 2451, 3931, 7353, 11793, 35379, 74689, 169033, 224067, 507099, 672201, 1521297, 3211627, 9634881, 28904643]

約数ペア:

[(1, 28904643), (3, 9634881), (9, 3211627), (19, 1521297), (43, 672201), (57, 507099), (129, 224067), (171, 169033), (387, 74689), (817, 35379), (2451, 11793), (3931, 7353)]