18478827

素因数分解:

$3^3\times {\mathrm{439}}^1\times {\mathrm{1559}}^1$

素因数の和:2007

約数の個数: 16

約数和(自身を含む): 27456000

約数和(自身を除く): 8977173

約数列:

[1, 3, 9, 27, 439, 1317, 1559, 3951, 4677, 11853, 14031, 42093, 684401, 2053203, 6159609, 18478827]

約数ペア:

[(1, 18478827), (3, 6159609), (9, 2053203), (27, 684401), (439, 42093), (1317, 14031), (1559, 11853), (3951, 4677)]