3911247

素因数分解:

$3^4\times {\mathrm{109}}^1\times {\mathrm{443}}^1$

素因数の和:564

約数の個数: 20

約数和(自身を含む): 5909640

約数和(自身を除く): 1998393

約数列:

[1, 3, 9, 27, 81, 109, 327, 443, 981, 1329, 2943, 3987, 8829, 11961, 35883, 48287, 144861, 434583, 1303749, 3911247]

約数ペア:

[(1, 3911247), (3, 1303749), (9, 434583), (27, 144861), (81, 48287), (109, 35883), (327, 11961), (443, 8829), (981, 3987), (1329, 2943)]