5221989

素因数分解:

$3^4\times {\mathrm{23}}^1\times {\mathrm{2803}}^1$

素因数の和:2838

約数の個数: 20

約数和(自身を含む): 8142816

約数和(自身を除く): 2920827

約数列:

[1, 3, 9, 23, 27, 69, 81, 207, 621, 1863, 2803, 8409, 25227, 64469, 75681, 193407, 227043, 580221, 1740663, 5221989]

約数ペア:

[(1, 5221989), (3, 1740663), (9, 580221), (23, 227043), (27, 193407), (69, 75681), (81, 64469), (207, 25227), (621, 8409), (1863, 2803)]