205287561

素因数分解:

$3^3\times {\mathrm{1559}}^1\times {\mathrm{4877}}^1$

素因数の和:6445

約数の個数: 16

約数和(自身を含む): 304387200

約数和(自身を除く): 99099639

約数列:

[1, 3, 9, 27, 1559, 4677, 4877, 14031, 14631, 42093, 43893, 131679, 7603243, 22809729, 68429187, 205287561]

約数ペア:

[(1, 205287561), (3, 68429187), (9, 22809729), (27, 7603243), (1559, 131679), (4677, 43893), (4877, 42093), (14031, 14631)]