489687

素因数分解:

$3^1\times {\mathrm{11}}^2\times {\mathrm{19}}^1\times {\mathrm{71}}^1$

素因数の和:115

約数の個数: 24

約数和(自身を含む): 766080

約数和(自身を除く): 276393

約数列:

[1, 3, 11, 19, 33, 57, 71, 121, 209, 213, 363, 627, 781, 1349, 2299, 2343, 4047, 6897, 8591, 14839, 25773, 44517, 163229, 489687]

約数ペア:

[(1, 489687), (3, 163229), (11, 44517), (19, 25773), (33, 14839), (57, 8591), (71, 6897), (121, 4047), (209, 2343), (213, 2299), (363, 1349), (627, 781)]