81298770

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{387137}}^1$

素因数の和:387154

約数の個数: 32

約数和(自身を含む): 222991488

約数和(自身を除く): 141692718

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 70, 105, 210, 387137, 774274, 1161411, 1935685, 2322822, 2709959, 3871370, 5419918, 5807055, 8129877, 11614110, 13549795, 16259754, 27099590, 40649385, 81298770]

約数ペア:

[(1, 81298770), (2, 40649385), (3, 27099590), (5, 16259754), (6, 13549795), (7, 11614110), (10, 8129877), (14, 5807055), (15, 5419918), (21, 3871370), (30, 2709959), (35, 2322822), (42, 1935685), (70, 1161411), (105, 774274), (210, 387137)]