18438991443

素因数分解:

$3^3\times {\mathrm{127}}^1\times {\mathrm{5377367}}^1$

素因数の和:5377503

約数の個数: 16

約数和(自身を含む): 27532124160

約数和(自身を除く): 9093132717

約数列:

[1, 3, 9, 27, 127, 381, 1143, 3429, 5377367, 16132101, 48396303, 145188909, 682925609, 2048776827, 6146330481, 18438991443]

約数ペア:

[(1, 18438991443), (3, 6146330481), (9, 2048776827), (27, 682925609), (127, 145188909), (381, 48396303), (1143, 16132101), (3429, 5377367)]