201528831

素因数分解:

$3^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{67}}^1\times {\mathrm{3331}}^1$

素因数の和:3451

約数の個数: 32

約数和(自身を含む): 319019008

約数和(自身を除く): 117490177

約数列:

[1, 3, 7, 21, 43, 67, 129, 201, 301, 469, 903, 1407, 2881, 3331, 8643, 9993, 20167, 23317, 60501, 69951, 143233, 223177, 429699, 669531, 1002631, 1562239, 3007893, 4686717, 9596611, 28789833, 67176277, 201528831]

約数ペア:

[(1, 201528831), (3, 67176277), (7, 28789833), (21, 9596611), (43, 4686717), (67, 3007893), (129, 1562239), (201, 1002631), (301, 669531), (469, 429699), (903, 223177), (1407, 143233), (2881, 69951), (3331, 60501), (8643, 23317), (9993, 20167)]