12917359

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{241}}^1$

素因数の和:311

約数の個数: 32

約数和(自身を含む): 17346560

約数和(自身を除く): 4429201

約数列:

[1, 7, 13, 19, 31, 91, 133, 217, 241, 247, 403, 589, 1687, 1729, 2821, 3133, 4123, 4579, 7471, 7657, 21931, 32053, 52297, 53599, 59527, 97123, 141949, 416689, 679861, 993643, 1845337, 12917359]

約数ペア:

[(1, 12917359), (7, 1845337), (13, 993643), (19, 679861), (31, 416689), (91, 141949), (133, 97123), (217, 59527), (241, 53599), (247, 52297), (403, 32053), (589, 21931), (1687, 7657), (1729, 7471), (2821, 4579), (3133, 4123)]