123747039

素因数分解:

$3^2\times {\mathrm{13}}^2\times {\mathrm{81359}}^1$

素因数の和:81391

約数の個数: 18

約数和(自身を含む): 193555440

約数和(自身を除く): 69808401

約数列:

[1, 3, 9, 13, 39, 117, 169, 507, 1521, 81359, 244077, 732231, 1057667, 3173001, 9519003, 13749671, 41249013, 123747039]

約数ペア:

[(1, 123747039), (3, 41249013), (9, 13749671), (13, 9519003), (39, 3173001), (117, 1057667), (169, 732231), (507, 244077), (1521, 81359)]