391621321

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{1097}}^1\times {\mathrm{3923}}^1$

素因数の和:5040

約数の個数: 16

約数和(自身を含む): 482557824

約数和(自身を除く): 90936503

約数列:

[1, 7, 13, 91, 1097, 3923, 7679, 14261, 27461, 50999, 99827, 356993, 4303531, 30124717, 55945903, 391621321]

約数ペア:

[(1, 391621321), (7, 55945903), (13, 30124717), (91, 4303531), (1097, 356993), (3923, 99827), (7679, 50999), (14261, 27461)]