131967

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1$

素因数の和:91

約数の個数: 24

約数和(自身を含む): 219648

約数和(自身を除く): 87681

約数列:

[1, 3, 9, 11, 31, 33, 43, 93, 99, 129, 279, 341, 387, 473, 1023, 1333, 1419, 3069, 3999, 4257, 11997, 14663, 43989, 131967]

約数ペア:

[(1, 131967), (3, 43989), (9, 14663), (11, 11997), (31, 4257), (33, 3999), (43, 3069), (93, 1419), (99, 1333), (129, 1023), (279, 473), (341, 387)]