17980599

素因数分解:

$3^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{97}}^2$

素因数の和:224

約数の個数: 36

約数和(自身を含む): 30346344

約数和(自身を除く): 12365745

約数列:

[1, 3, 7, 13, 21, 39, 49, 91, 97, 147, 273, 291, 637, 679, 1261, 1911, 2037, 3783, 4753, 8827, 9409, 14259, 26481, 28227, 61789, 65863, 122317, 185367, 197589, 366951, 461041, 856219, 1383123, 2568657, 5993533, 17980599]

約数ペア:

[(1, 17980599), (3, 5993533), (7, 2568657), (13, 1383123), (21, 856219), (39, 461041), (49, 366951), (91, 197589), (97, 185367), (147, 122317), (273, 65863), (291, 61789), (637, 28227), (679, 26481), (1261, 14259), (1911, 9409), (2037, 8827), (3783, 4753)]