80856951

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{5477}}^1$

素因数の和:5543

約数の個数: 32

約数和(自身を含む): 133224960

約数和(自身を除く): 52368009

約数列:

[1, 3, 7, 19, 21, 37, 57, 111, 133, 259, 399, 703, 777, 2109, 4921, 5477, 14763, 16431, 38339, 104063, 115017, 202649, 312189, 607947, 728441, 1418543, 2185323, 3850331, 4255629, 11550993, 26952317, 80856951]

約数ペア:

[(1, 80856951), (3, 26952317), (7, 11550993), (19, 4255629), (21, 3850331), (37, 2185323), (57, 1418543), (111, 728441), (133, 607947), (259, 312189), (399, 202649), (703, 115017), (777, 104063), (2109, 38339), (4921, 16431), (5477, 14763)]