17729621

素因数分解:

$7^2\times {\mathrm{13}}^2\times {\mathrm{2141}}^1$

素因数の和:2181

約数の個数: 18

約数和(自身を含む): 22343202

約数和(自身を除く): 4613581

約数列:

[1, 7, 13, 49, 91, 169, 637, 1183, 2141, 8281, 14987, 27833, 104909, 194831, 361829, 1363817, 2532803, 17729621]

約数ペア:

[(1, 17729621), (7, 2532803), (13, 1363817), (49, 361829), (91, 194831), (169, 104909), (637, 27833), (1183, 14987), (2141, 8281)]