66656865

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{403981}}^1$

素因数の和:404000

約数の個数: 16

約数和(自身を含む): 116346816

約数和(自身を除く): 49689951

約数列:

[1, 3, 5, 11, 15, 33, 55, 165, 403981, 1211943, 2019905, 4443791, 6059715, 13331373, 22218955, 66656865]

約数ペア:

[(1, 66656865), (3, 22218955), (5, 13331373), (11, 6059715), (15, 4443791), (33, 2019905), (55, 1211943), (165, 403981)]