78693531

素因数分解:

$3^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{109}}^1\times {\mathrm{1109}}^1$

素因数の和:1259

約数の個数: 32

約数和(自身を含む): 125030400

約数和(自身を除く): 46336869

約数列:

[1, 3, 7, 21, 31, 93, 109, 217, 327, 651, 763, 1109, 2289, 3327, 3379, 7763, 10137, 23289, 23653, 34379, 70959, 103137, 120881, 240653, 362643, 721959, 846167, 2538501, 3747311, 11241933, 26231177, 78693531]

約数ペア:

[(1, 78693531), (3, 26231177), (7, 11241933), (21, 3747311), (31, 2538501), (93, 846167), (109, 721959), (217, 362643), (327, 240653), (651, 120881), (763, 103137), (1109, 70959), (2289, 34379), (3327, 23653), (3379, 23289), (7763, 10137)]