2021994495

素因数分解:

$3^6\times 5^1\times {\mathrm{554731}}^1$

素因数の和:554754

約数の個数: 28

約数和(自身を含む): 3637932456

約数和(自身を除く): 1615937961

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 243, 405, 729, 1215, 3645, 554731, 1664193, 2773655, 4992579, 8320965, 14977737, 24962895, 44933211, 74888685, 134799633, 224666055, 404398899, 673998165, 2021994495]

約数ペア:

[(1, 2021994495), (3, 673998165), (5, 404398899), (9, 224666055), (15, 134799633), (27, 74888685), (45, 44933211), (81, 24962895), (135, 14977737), (243, 8320965), (405, 4992579), (729, 2773655), (1215, 1664193), (3645, 554731)]