26980515

素因数分解:

$3^2\times 5^1\times {\mathrm{127}}^1\times {\mathrm{4721}}^1$

素因数の和:4859

約数の個数: 24

約数和(自身を含む): 47144448

約数和(自身を除く): 20163933

約数列:

[1, 3, 5, 9, 15, 45, 127, 381, 635, 1143, 1905, 4721, 5715, 14163, 23605, 42489, 70815, 212445, 599567, 1798701, 2997835, 5396103, 8993505, 26980515]

約数ペア:

[(1, 26980515), (3, 8993505), (5, 5396103), (9, 2997835), (15, 1798701), (45, 599567), (127, 212445), (381, 70815), (635, 42489), (1143, 23605), (1905, 14163), (4721, 5715)]