13408899

素因数分解:

$3^1\times 7^3\times {\mathrm{83}}^1\times {\mathrm{157}}^1$

素因数の和:264

約数の個数: 32

約数和(自身を含む): 21235200

約数和(自身を除く): 7826301

約数列:

[1, 3, 7, 21, 49, 83, 147, 157, 249, 343, 471, 581, 1029, 1099, 1743, 3297, 4067, 7693, 12201, 13031, 23079, 28469, 39093, 53851, 85407, 91217, 161553, 273651, 638519, 1915557, 4469633, 13408899]

約数ペア:

[(1, 13408899), (3, 4469633), (7, 1915557), (21, 638519), (49, 273651), (83, 161553), (147, 91217), (157, 85407), (249, 53851), (343, 39093), (471, 28469), (581, 23079), (1029, 13031), (1099, 12201), (1743, 7693), (3297, 4067)]