13242691

素因数分解:

$7^2\times {\mathrm{11}}^1\times {\mathrm{79}}^1\times {\mathrm{311}}^1$

素因数の和:415

約数の個数: 24

約数和(自身を含む): 17072640

約数和(自身を除く): 3829949

約数列:

[1, 7, 11, 49, 77, 79, 311, 539, 553, 869, 2177, 3421, 3871, 6083, 15239, 23947, 24569, 42581, 167629, 171983, 270259, 1203881, 1891813, 13242691]

約数ペア:

[(1, 13242691), (7, 1891813), (11, 1203881), (49, 270259), (77, 171983), (79, 167629), (311, 42581), (539, 24569), (553, 23947), (869, 15239), (2177, 6083), (3421, 3871)]