261499755

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^2\times {\mathrm{19}}^1\times {\mathrm{7583}}^1$

素因数の和:7632

約数の個数: 48

約数和(自身を含む): 484162560

約数和(自身を除く): 222662805

約数列:

[1, 3, 5, 11, 15, 19, 33, 55, 57, 95, 121, 165, 209, 285, 363, 605, 627, 1045, 1815, 2299, 3135, 6897, 7583, 11495, 22749, 34485, 37915, 83413, 113745, 144077, 250239, 417065, 432231, 720385, 917543, 1251195, 1584847, 2161155, 2752629, 4587715, 4754541, 7924235, 13763145, 17433317, 23772705, 52299951, 87166585, 261499755]

約数ペア:

[(1, 261499755), (3, 87166585), (5, 52299951), (11, 23772705), (15, 17433317), (19, 13763145), (33, 7924235), (55, 4754541), (57, 4587715), (95, 2752629), (121, 2161155), (165, 1584847), (209, 1251195), (285, 917543), (363, 720385), (605, 432231), (627, 417065), (1045, 250239), (1815, 144077), (2299, 113745), (3135, 83413), (6897, 37915), (7583, 34485), (11495, 22749)]