66781071

素因数分解:

$3^3\times 7^3\times {\mathrm{7211}}^1$

素因数の和:7241

約数の個数: 32

約数和(自身を含む): 115392000

約数和(自身を除く): 48610929

約数列:

[1, 3, 7, 9, 21, 27, 49, 63, 147, 189, 343, 441, 1029, 1323, 3087, 7211, 9261, 21633, 50477, 64899, 151431, 194697, 353339, 454293, 1060017, 1362879, 2473373, 3180051, 7420119, 9540153, 22260357, 66781071]

約数ペア:

[(1, 66781071), (3, 22260357), (7, 9540153), (9, 7420119), (21, 3180051), (27, 2473373), (49, 1362879), (63, 1060017), (147, 454293), (189, 353339), (343, 194697), (441, 151431), (1029, 64899), (1323, 50477), (3087, 21633), (7211, 9261)]