39913881

素因数分解:

$3^1\times 7^3\times {\mathrm{79}}^1\times {\mathrm{491}}^1$

素因数の和:594

約数の個数: 32

約数和(自身を含む): 62976000

約数和(自身を除く): 23062119

約数列:

[1, 3, 7, 21, 49, 79, 147, 237, 343, 491, 553, 1029, 1473, 1659, 3437, 3871, 10311, 11613, 24059, 27097, 38789, 72177, 81291, 116367, 168413, 271523, 505239, 814569, 1900661, 5701983, 13304627, 39913881]

約数ペア:

[(1, 39913881), (3, 13304627), (7, 5701983), (21, 1900661), (49, 814569), (79, 505239), (147, 271523), (237, 168413), (343, 116367), (491, 81291), (553, 72177), (1029, 38789), (1473, 27097), (1659, 24059), (3437, 11613), (3871, 10311)]