78903489

素因数分解:

$3^1\times 7^1\times {\mathrm{139}}^1\times {\mathrm{27031}}^1$

素因数の和:27180

約数の個数: 16

約数和(自身を含む): 121103360

約数和(自身を除く): 42199871

約数列:

[1, 3, 7, 21, 139, 417, 973, 2919, 27031, 81093, 189217, 567651, 3757309, 11271927, 26301163, 78903489]

約数ペア:

[(1, 78903489), (3, 26301163), (7, 11271927), (21, 3757309), (139, 567651), (417, 189217), (973, 81093), (2919, 27031)]