15310217

素因数分解:

${\mathrm{13}}^2\times {\mathrm{17}}^1\times {\mathrm{73}}^2$

素因数の和:189

約数の個数: 18

約数和(自身を含む): 17797482

約数和(自身を除く): 2487265

約数列:

[1, 13, 17, 73, 169, 221, 949, 1241, 2873, 5329, 12337, 16133, 69277, 90593, 209729, 900601, 1177709, 15310217]

約数ペア:

[(1, 15310217), (13, 1177709), (17, 900601), (73, 209729), (169, 90593), (221, 69277), (949, 16133), (1241, 12337), (2873, 5329)]