19980405243

素因数分解:

$3^3\times {\mathrm{740015009}}^1$

素因数の和:740015018

約数の個数: 8

約数和(自身を含む): 29600600400

約数和(自身を除く): 9620195157

約数列:

[1, 3, 9, 27, 740015009, 2220045027, 6660135081, 19980405243]

約数ペア:

[(1, 19980405243), (3, 6660135081), (9, 2220045027), (27, 740015009)]