12686943927

素因数分解:

$3^1\times 7^2\times {\mathrm{479}}^1\times {\mathrm{180179}}^1$

素因数の和:180675

約数の個数: 24

約数和(自身を含む): 19718899200

約数和(自身を除く): 7031955273

約数列:

[1, 3, 7, 21, 49, 147, 479, 1437, 3353, 10059, 23471, 70413, 180179, 540537, 1261253, 3783759, 8828771, 26486313, 86305741, 258917223, 604140187, 1812420561, 4228981309, 12686943927]

約数ペア:

[(1, 12686943927), (3, 4228981309), (7, 1812420561), (21, 604140187), (49, 258917223), (147, 86305741), (479, 26486313), (1437, 8828771), (3353, 3783759), (10059, 1261253), (23471, 540537), (70413, 180179)]