57072717

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{641}}^1\times {\mathrm{761}}^1$

素因数の和:1421

約数の個数: 24

約数和(自身を含む): 89035128

約数和(自身を除く): 31962411

約数列:

[1, 3, 9, 13, 39, 117, 641, 761, 1923, 2283, 5769, 6849, 8333, 9893, 24999, 29679, 74997, 89037, 487801, 1463403, 4390209, 6341413, 19024239, 57072717]

約数ペア:

[(1, 57072717), (3, 19024239), (9, 6341413), (13, 4390209), (39, 1463403), (117, 487801), (641, 89037), (761, 74997), (1923, 29679), (2283, 24999), (5769, 9893), (6849, 8333)]