1028781

素因数分解:

$3^4\times {\mathrm{13}}^1\times {\mathrm{977}}^1$

素因数の和:1002

約数の個数: 20

約数和(自身を含む): 1656732

約数和(自身を除く): 627951

約数列:

[1, 3, 9, 13, 27, 39, 81, 117, 351, 977, 1053, 2931, 8793, 12701, 26379, 38103, 79137, 114309, 342927, 1028781]

約数ペア:

[(1, 1028781), (3, 342927), (9, 114309), (13, 79137), (27, 38103), (39, 26379), (81, 12701), (117, 8793), (351, 2931), (977, 1053)]