66120381

素因数分解:

$3^4\times {\mathrm{109}}^1\times {\mathrm{7489}}^1$

素因数の和:7610

約数の個数: 20

約数和(自身を含む): 99691900

約数和(自身を除く): 33571519

約数列:

[1, 3, 9, 27, 81, 109, 327, 981, 2943, 7489, 8829, 22467, 67401, 202203, 606609, 816301, 2448903, 7346709, 22040127, 66120381]

約数ペア:

[(1, 66120381), (3, 22040127), (9, 7346709), (27, 2448903), (81, 816301), (109, 606609), (327, 202203), (981, 67401), (2943, 22467), (7489, 8829)]