198626985

素因数分解:

$3^6\times 5^1\times {\mathrm{54493}}^1$

素因数の和:54516

約数の個数: 28

約数和(自身を含む): 357371652

約数和(自身を除く): 158744667

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 243, 405, 729, 1215, 3645, 54493, 163479, 272465, 490437, 817395, 1471311, 2452185, 4413933, 7356555, 13241799, 22069665, 39725397, 66208995, 198626985]

約数ペア:

[(1, 198626985), (3, 66208995), (5, 39725397), (9, 22069665), (15, 13241799), (27, 7356555), (45, 4413933), (81, 2452185), (135, 1471311), (243, 817395), (405, 490437), (729, 272465), (1215, 163479), (3645, 54493)]