13397811

素因数分解:

$3^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{401}}^1$

素因数の和:491

約数の個数: 32

約数和(自身を含む): 21508608

約数和(自身を除く): 8110797

約数列:

[1, 3, 7, 21, 37, 43, 111, 129, 259, 301, 401, 777, 903, 1203, 1591, 2807, 4773, 8421, 11137, 14837, 17243, 33411, 44511, 51729, 103859, 120701, 311577, 362103, 637991, 1913973, 4465937, 13397811]

約数ペア:

[(1, 13397811), (3, 4465937), (7, 1913973), (21, 637991), (37, 362103), (43, 311577), (111, 120701), (129, 103859), (259, 51729), (301, 44511), (401, 33411), (777, 17243), (903, 14837), (1203, 11137), (1591, 8421), (2807, 4773)]