66381981

素因数分解:

$3^1\times {\mathrm{43}}^1\times {\mathrm{109}}^1\times {\mathrm{4721}}^1$

素因数の和:4876

約数の個数: 16

約数和(自身を含む): 91417920

約数和(自身を除く): 25035939

約数列:

[1, 3, 43, 109, 129, 327, 4687, 4721, 14061, 14163, 203003, 514589, 609009, 1543767, 22127327, 66381981]

約数ペア:

[(1, 66381981), (3, 22127327), (43, 1543767), (109, 609009), (129, 514589), (327, 203003), (4687, 14163), (4721, 14061)]