389969343

素因数分解:

$3^3\times {\mathrm{727}}^1\times {\mathrm{19867}}^1$

素因数の和:20603

約数の個数: 16

約数和(自身を含む): 578556160

約数和(自身を除く): 188586817

約数列:

[1, 3, 9, 27, 727, 2181, 6543, 19629, 19867, 59601, 178803, 536409, 14443309, 43329927, 129989781, 389969343]

約数ペア:

[(1, 389969343), (3, 129989781), (9, 43329927), (27, 14443309), (727, 536409), (2181, 178803), (6543, 59601), (19629, 19867)]