27957531

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{1709}}^1$

素因数の和:1779

約数の個数: 32

約数和(自身を含む): 45964800

約数和(自身を除く): 18007269

約数列:

[1, 3, 7, 19, 21, 41, 57, 123, 133, 287, 399, 779, 861, 1709, 2337, 5127, 5453, 11963, 16359, 32471, 35889, 70069, 97413, 210207, 227297, 490483, 681891, 1331311, 1471449, 3993933, 9319177, 27957531]

約数ペア:

[(1, 27957531), (3, 9319177), (7, 3993933), (19, 1471449), (21, 1331311), (41, 681891), (57, 490483), (123, 227297), (133, 210207), (287, 97413), (399, 70069), (779, 35889), (861, 32471), (1709, 16359), (2337, 11963), (5127, 5453)]