12729171

素因数分解:

$3^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{6661}}^1$

素因数の和:6691

約数の個数: 24

約数和(自身を含む): 21265104

約数和(自身を除く): 8535933

約数列:

[1, 3, 7, 13, 21, 39, 49, 91, 147, 273, 637, 1911, 6661, 19983, 46627, 86593, 139881, 259779, 326389, 606151, 979167, 1818453, 4243057, 12729171]

約数ペア:

[(1, 12729171), (3, 4243057), (7, 1818453), (13, 979167), (21, 606151), (39, 326389), (49, 259779), (91, 139881), (147, 86593), (273, 46627), (637, 19983), (1911, 6661)]