427777767

素因数分解:

$3^4\times {\mathrm{83}}^1\times {\mathrm{63629}}^1$

素因数の和:63724

約数の個数: 20

約数和(自身を含む): 646735320

約数和(自身を除く): 218957553

約数列:

[1, 3, 9, 27, 81, 83, 249, 747, 2241, 6723, 63629, 190887, 572661, 1717983, 5153949, 5281207, 15843621, 47530863, 142592589, 427777767]

約数ペア:

[(1, 427777767), (3, 142592589), (9, 47530863), (27, 15843621), (81, 5281207), (83, 5153949), (249, 1717983), (747, 572661), (2241, 190887), (6723, 63629)]