7890519

素因数分解:

$3^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{4129}}^1$

素因数の和:4159

約数の個数: 24

約数和(自身を含む): 13182960

約数和(自身を除く): 5292441

約数列:

[1, 3, 7, 13, 21, 39, 49, 91, 147, 273, 637, 1911, 4129, 12387, 28903, 53677, 86709, 161031, 202321, 375739, 606963, 1127217, 2630173, 7890519]

約数ペア:

[(1, 7890519), (3, 2630173), (7, 1127217), (13, 606963), (21, 375739), (39, 202321), (49, 161031), (91, 86709), (147, 53677), (273, 28903), (637, 12387), (1911, 4129)]