399087

素因数分解:

$3^4\times {\mathrm{13}}^1\times {\mathrm{379}}^1$

素因数の和:404

約数の個数: 20

約数和(自身を含む): 643720

約数和(自身を除く): 244633

約数列:

[1, 3, 9, 13, 27, 39, 81, 117, 351, 379, 1053, 1137, 3411, 4927, 10233, 14781, 30699, 44343, 133029, 399087]

約数ペア:

[(1, 399087), (3, 133029), (9, 44343), (13, 30699), (27, 14781), (39, 10233), (81, 4927), (117, 3411), (351, 1137), (379, 1053)]