2158761

素因数分解:

$3^1\times {\mathrm{11}}^2\times {\mathrm{19}}^1\times {\mathrm{313}}^1$

素因数の和:357

約数の個数: 24

約数和(自身を含む): 3340960

約数和(自身を除く): 1182199

約数列:

[1, 3, 11, 19, 33, 57, 121, 209, 313, 363, 627, 939, 2299, 3443, 5947, 6897, 10329, 17841, 37873, 65417, 113619, 196251, 719587, 2158761]

約数ペア:

[(1, 2158761), (3, 719587), (11, 196251), (19, 113619), (33, 65417), (57, 37873), (121, 17841), (209, 10329), (313, 6897), (363, 5947), (627, 3443), (939, 2299)]