4991481

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{127}}^1\times {\mathrm{397}}^1$

素因数の和:541

約数の個数: 24

約数和(自身を含む): 7947264

約数和(自身を除く): 2955783

約数列:

[1, 3, 9, 11, 33, 99, 127, 381, 397, 1143, 1191, 1397, 3573, 4191, 4367, 12573, 13101, 39303, 50419, 151257, 453771, 554609, 1663827, 4991481]

約数ペア:

[(1, 4991481), (3, 1663827), (9, 554609), (11, 453771), (33, 151257), (99, 50419), (127, 39303), (381, 13101), (397, 12573), (1143, 4367), (1191, 4191), (1397, 3573)]