78016521

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{1213}}^1\times {\mathrm{1949}}^1$

素因数の和:3176

約数の個数: 16

約数和(自身を含む): 113630400

約数和(自身を除く): 35613879

約数列:

[1, 3, 11, 33, 1213, 1949, 3639, 5847, 13343, 21439, 40029, 64317, 2364137, 7092411, 26005507, 78016521]

約数ペア:

[(1, 78016521), (3, 26005507), (11, 7092411), (33, 2364137), (1213, 64317), (1949, 40029), (3639, 21439), (5847, 13343)]