1320791103

素因数分解:

$3^4\times {\mathrm{653}}^1\times {\mathrm{24971}}^1$

素因数の和:25636

約数の個数: 20

約数和(自身を含む): 1976134248

約数和(自身を除く): 655343145

約数列:

[1, 3, 9, 27, 81, 653, 1959, 5877, 17631, 24971, 52893, 74913, 224739, 674217, 2022651, 16306063, 48918189, 146754567, 440263701, 1320791103]

約数ペア:

[(1, 1320791103), (3, 440263701), (9, 146754567), (27, 48918189), (81, 16306063), (653, 2022651), (1959, 674217), (5877, 224739), (17631, 74913), (24971, 52893)]