80571105

素因数分解:

$3^4\times 5^1\times {\mathrm{198941}}^1$

素因数の和:198958

約数の個数: 20

約数和(自身を含む): 144431892

約数和(自身を除く): 63860787

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 198941, 596823, 994705, 1790469, 2984115, 5371407, 8952345, 16114221, 26857035, 80571105]

約数ペア:

[(1, 80571105), (3, 26857035), (5, 16114221), (9, 8952345), (15, 5371407), (27, 2984115), (45, 1790469), (81, 994705), (135, 596823), (405, 198941)]