128727423

素因数分解:

$3^2\times {\mathrm{11}}^2\times {\mathrm{43}}^1\times {\mathrm{2749}}^1$

素因数の和:2820

約数の個数: 36

約数和(自身を含む): 209209000

約数和(自身を除く): 80481577

約数列:

[1, 3, 9, 11, 33, 43, 99, 121, 129, 363, 387, 473, 1089, 1419, 2749, 4257, 5203, 8247, 15609, 24741, 30239, 46827, 90717, 118207, 272151, 332629, 354621, 997887, 1063863, 1300277, 2993661, 3900831, 11702493, 14303047, 42909141, 128727423]

約数ペア:

[(1, 128727423), (3, 42909141), (9, 14303047), (11, 11702493), (33, 3900831), (43, 2993661), (99, 1300277), (121, 1063863), (129, 997887), (363, 354621), (387, 332629), (473, 272151), (1089, 118207), (1419, 90717), (2749, 46827), (4257, 30239), (5203, 24741), (8247, 15609)]