87810579

素因数分解:

$3^2\times {\mathrm{29}}^1\times {\mathrm{401}}^1\times {\mathrm{839}}^1$

素因数の和:1275

約数の個数: 24

約数和(自身を含む): 131695200

約数和(自身を除く): 43884621

約数列:

[1, 3, 9, 29, 87, 261, 401, 839, 1203, 2517, 3609, 7551, 11629, 24331, 34887, 72993, 104661, 218979, 336439, 1009317, 3027951, 9756731, 29270193, 87810579]

約数ペア:

[(1, 87810579), (3, 29270193), (9, 9756731), (29, 3027951), (87, 1009317), (261, 336439), (401, 218979), (839, 104661), (1203, 72993), (2517, 34887), (3609, 24331), (7551, 11629)]