380418039

素因数分解:

$3^4\times {\mathrm{163}}^1\times {\mathrm{28813}}^1$

素因数の和:28988

約数の個数: 20

約数和(自身を含む): 571785016

約数和(自身を除く): 191366977

約数列:

[1, 3, 9, 27, 81, 163, 489, 1467, 4401, 13203, 28813, 86439, 259317, 777951, 2333853, 4696519, 14089557, 42268671, 126806013, 380418039]

約数ペア:

[(1, 380418039), (3, 126806013), (9, 42268671), (27, 14089557), (81, 4696519), (163, 2333853), (489, 777951), (1467, 259317), (4401, 86439), (13203, 28813)]