81660293

素因数分解:

${\mathrm{11}}^1\times {\mathrm{13}}^3\times {\mathrm{31}}^1\times {\mathrm{109}}^1$

素因数の和:190

約数の個数: 32

約数和(自身を含む): 100531200

約数和(自身を除く): 18870907

約数列:

[1, 11, 13, 31, 109, 143, 169, 341, 403, 1199, 1417, 1859, 2197, 3379, 4433, 5239, 15587, 18421, 24167, 37169, 43927, 57629, 68107, 202631, 239473, 483197, 571051, 749177, 2634203, 6281561, 7423663, 81660293]

約数ペア:

[(1, 81660293), (11, 7423663), (13, 6281561), (31, 2634203), (109, 749177), (143, 571051), (169, 483197), (341, 239473), (403, 202631), (1199, 68107), (1417, 57629), (1859, 43927), (2197, 37169), (3379, 24167), (4433, 18421), (5239, 15587)]