1998148905

素因数分解:

$3^6\times 5^1\times {\mathrm{548189}}^1$

素因数の和:548212

約数の個数: 28

約数和(自身を含む): 3595030020

約数和(自身を除く): 1596881115

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 243, 405, 729, 1215, 3645, 548189, 1644567, 2740945, 4933701, 8222835, 14801103, 24668505, 44403309, 74005515, 133209927, 222016545, 399629781, 666049635, 1998148905]

約数ペア:

[(1, 1998148905), (3, 666049635), (5, 399629781), (9, 222016545), (15, 133209927), (27, 74005515), (45, 44403309), (81, 24668505), (135, 14801103), (243, 8222835), (405, 4933701), (729, 2740945), (1215, 1644567), (3645, 548189)]