394080309

素因数分解:

$3^4\times 7^1\times {\mathrm{811}}^1\times {\mathrm{857}}^1$

素因数の和:1687

約数の個数: 40

約数和(自身を含む): 674401728

約数和(自身を除く): 280321419

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 567, 811, 857, 2433, 2571, 5677, 5999, 7299, 7713, 17031, 17997, 21897, 23139, 51093, 53991, 65691, 69417, 153279, 161973, 459837, 485919, 695027, 2085081, 4865189, 6255243, 14595567, 18765729, 43786701, 56297187, 131360103, 394080309]

約数ペア:

[(1, 394080309), (3, 131360103), (7, 56297187), (9, 43786701), (21, 18765729), (27, 14595567), (63, 6255243), (81, 4865189), (189, 2085081), (567, 695027), (811, 485919), (857, 459837), (2433, 161973), (2571, 153279), (5677, 69417), (5999, 65691), (7299, 53991), (7713, 51093), (17031, 23139), (17997, 21897)]