81123039

素因数分解:

$3^4\times {\mathrm{113}}^1\times {\mathrm{8863}}^1$

素因数の和:8988

約数の個数: 20

約数和(自身を含む): 122270016

約数和(自身を除く): 41146977

約数列:

[1, 3, 9, 27, 81, 113, 339, 1017, 3051, 8863, 9153, 26589, 79767, 239301, 717903, 1001519, 3004557, 9013671, 27041013, 81123039]

約数ペア:

[(1, 81123039), (3, 27041013), (9, 9013671), (27, 3004557), (81, 1001519), (113, 717903), (339, 239301), (1017, 79767), (3051, 26589), (8863, 9153)]