397420233

素因数分解:

$3^1\times 7^2\times {\mathrm{43}}^1\times {\mathrm{62873}}^1$

素因数の和:62933

約数の個数: 24

約数和(自身を含む): 630751968

約数和(自身を除く): 233331735

約数列:

[1, 3, 7, 21, 43, 49, 129, 147, 301, 903, 2107, 6321, 62873, 188619, 440111, 1320333, 2703539, 3080777, 8110617, 9242331, 18924773, 56774319, 132473411, 397420233]

約数ペア:

[(1, 397420233), (3, 132473411), (7, 56774319), (21, 18924773), (43, 9242331), (49, 8110617), (129, 3080777), (147, 2703539), (301, 1320333), (903, 440111), (2107, 188619), (6321, 62873)]