279506493

素因数分解:

$3^2\times 7^1\times {\mathrm{43}}^1\times {\mathrm{103177}}^1$

素因数の和:103233

約数の個数: 24

約数和(自身を含む): 472142528

約数和(自身を除く): 192636035

約数列:

[1, 3, 7, 9, 21, 43, 63, 129, 301, 387, 903, 2709, 103177, 309531, 722239, 928593, 2166717, 4436611, 6500151, 13309833, 31056277, 39929499, 93168831, 279506493]

約数ペア:

[(1, 279506493), (3, 93168831), (7, 39929499), (9, 31056277), (21, 13309833), (43, 6500151), (63, 4436611), (129, 2166717), (301, 928593), (387, 722239), (903, 309531), (2709, 103177)]