1320057

素因数分解:

$3^4\times {\mathrm{43}}^1\times {\mathrm{379}}^1$

素因数の和:434

約数の個数: 20

約数和(自身を含む): 2023120

約数和(自身を除く): 703063

約数列:

[1, 3, 9, 27, 43, 81, 129, 379, 387, 1137, 1161, 3411, 3483, 10233, 16297, 30699, 48891, 146673, 440019, 1320057]

約数ペア:

[(1, 1320057), (3, 440019), (9, 146673), (27, 48891), (43, 30699), (81, 16297), (129, 10233), (379, 3483), (387, 3411), (1137, 1161)]