28235907

素因数分解:

$3^2\times 7^2\times {\mathrm{43}}^1\times {\mathrm{1489}}^1$

素因数の和:1552

約数の個数: 36

約数和(自身を含む): 48579960

約数和(自身を除く): 20344053

約数列:

[1, 3, 7, 9, 21, 43, 49, 63, 129, 147, 301, 387, 441, 903, 1489, 2107, 2709, 4467, 6321, 10423, 13401, 18963, 31269, 64027, 72961, 93807, 192081, 218883, 448189, 576243, 656649, 1344567, 3137323, 4033701, 9411969, 28235907]

約数ペア:

[(1, 28235907), (3, 9411969), (7, 4033701), (9, 3137323), (21, 1344567), (43, 656649), (49, 576243), (63, 448189), (129, 218883), (147, 192081), (301, 93807), (387, 72961), (441, 64027), (903, 31269), (1489, 18963), (2107, 13401), (2709, 10423), (4467, 6321)]