1998553311

素因数分解:

$3^3\times {\mathrm{181}}^1\times {\mathrm{408953}}^1$

素因数の和:409143

約数の個数: 16

約数和(自身を含む): 2977185120

約数和(自身を除く): 978631809

約数列:

[1, 3, 9, 27, 181, 543, 1629, 4887, 408953, 1226859, 3680577, 11041731, 74020493, 222061479, 666184437, 1998553311]

約数ペア:

[(1, 1998553311), (3, 666184437), (9, 222061479), (27, 74020493), (181, 11041731), (543, 3680577), (1629, 1226859), (4887, 408953)]