57181221

素因数分解:

$3^4\times {\mathrm{607}}^1\times {\mathrm{1163}}^1$

素因数の和:1782

約数の個数: 20

約数和(自身を含む): 85633152

約数和(自身を除く): 28451931

約数列:

[1, 3, 9, 27, 81, 607, 1163, 1821, 3489, 5463, 10467, 16389, 31401, 49167, 94203, 705941, 2117823, 6353469, 19060407, 57181221]

約数ペア:

[(1, 57181221), (3, 19060407), (9, 6353469), (27, 2117823), (81, 705941), (607, 94203), (1163, 49167), (1821, 31401), (3489, 16389), (5463, 10467)]