656125515

素因数分解:

$3^6\times 5^1\times {\mathrm{180007}}^1$

素因数の和:180030

約数の個数: 28

約数和(自身を含む): 1180492464

約数和(自身を除く): 524366949

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 243, 405, 729, 1215, 3645, 180007, 540021, 900035, 1620063, 2700105, 4860189, 8100315, 14580567, 24300945, 43741701, 72902835, 131225103, 218708505, 656125515]

約数ペア:

[(1, 656125515), (3, 218708505), (5, 131225103), (9, 72902835), (15, 43741701), (27, 24300945), (45, 14580567), (81, 8100315), (135, 4860189), (243, 2700105), (405, 1620063), (729, 900035), (1215, 540021), (3645, 180007)]