279939141

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{109}}^1\times {\mathrm{653}}^1$

素因数の和:810

約数の個数: 48

約数和(自身を含む): 448905600

約数和(自身を除く): 168966459

約数列:

[1, 3, 9, 19, 23, 57, 69, 109, 171, 207, 327, 437, 653, 981, 1311, 1959, 2071, 2507, 3933, 5877, 6213, 7521, 12407, 15019, 18639, 22563, 37221, 45057, 47633, 71177, 111663, 135171, 142899, 213531, 285361, 428697, 640593, 856083, 1352363, 1637071, 2568249, 4057089, 4911213, 12171267, 14733639, 31104349, 93313047, 279939141]

約数ペア:

[(1, 279939141), (3, 93313047), (9, 31104349), (19, 14733639), (23, 12171267), (57, 4911213), (69, 4057089), (109, 2568249), (171, 1637071), (207, 1352363), (327, 856083), (437, 640593), (653, 428697), (981, 285361), (1311, 213531), (1959, 142899), (2071, 135171), (2507, 111663), (3933, 71177), (5877, 47633), (6213, 45057), (7521, 37221), (12407, 22563), (15019, 18639)]