180968215905

素因数分解:

$3^4\times 5^1\times {\mathrm{446835101}}^1$

素因数の和:446835118

約数の個数: 20

約数和(自身を含む): 324402284052

約数和(自身を除く): 143434068147

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 446835101, 1340505303, 2234175505, 4021515909, 6702526515, 12064547727, 20107579545, 36193643181, 60322738635, 180968215905]

約数ペア:

[(1, 180968215905), (3, 60322738635), (5, 36193643181), (9, 20107579545), (15, 12064547727), (27, 6702526515), (45, 4021515909), (81, 2234175505), (135, 1340505303), (405, 446835101)]