397389627

素因数分解:

$3^2\times {\mathrm{71}}^1\times {\mathrm{621893}}^1$

素因数の和:621970

約数の個数: 12

約数和(自身を含む): 582092784

約数和(自身を除く): 184703157

約数列:

[1, 3, 9, 71, 213, 639, 621893, 1865679, 5597037, 44154403, 132463209, 397389627]

約数ペア:

[(1, 397389627), (3, 132463209), (9, 44154403), (71, 5597037), (213, 1865679), (639, 621893)]