8451621

素因数分解:

$3^4\times {\mathrm{151}}^1\times {\mathrm{691}}^1$

素因数の和:854

約数の個数: 20

約数和(自身を含む): 12727264

約数和(自身を除く): 4275643

約数列:

[1, 3, 9, 27, 81, 151, 453, 691, 1359, 2073, 4077, 6219, 12231, 18657, 55971, 104341, 313023, 939069, 2817207, 8451621]

約数ペア:

[(1, 8451621), (3, 2817207), (9, 939069), (27, 313023), (81, 104341), (151, 55971), (453, 18657), (691, 12231), (1359, 6219), (2073, 4077)]