1639771767

素因数分解:

$3^2\times {\mathrm{47}}^1\times {\mathrm{71}}^2\times {\mathrm{769}}^1$

素因数の和:964

約数の個数: 36

約数和(自身を含む): 2456694240

約数和(自身を除く): 816922473

約数列:

[1, 3, 9, 47, 71, 141, 213, 423, 639, 769, 2307, 3337, 5041, 6921, 10011, 15123, 30033, 36143, 45369, 54599, 108429, 163797, 236927, 325287, 491391, 710781, 2132343, 2566153, 3876529, 7698459, 11629587, 23095377, 34888761, 182196863, 546590589, 1639771767]

約数ペア:

[(1, 1639771767), (3, 546590589), (9, 182196863), (47, 34888761), (71, 23095377), (141, 11629587), (213, 7698459), (423, 3876529), (639, 2566153), (769, 2132343), (2307, 710781), (3337, 491391), (5041, 325287), (6921, 236927), (10011, 163797), (15123, 108429), (30033, 54599), (36143, 45369)]