643179807

素因数分解:

$3^2\times {\mathrm{149}}^1\times {\mathrm{269}}^1\times {\mathrm{1783}}^1$

素因数の和:2207

約数の個数: 24

約数和(自身を含む): 939276000

約数和(自身を除く): 296096193

約数列:

[1, 3, 9, 149, 269, 447, 807, 1341, 1783, 2421, 5349, 16047, 40081, 120243, 265667, 360729, 479627, 797001, 1438881, 2391003, 4316643, 71464423, 214393269, 643179807]

約数ペア:

[(1, 643179807), (3, 214393269), (9, 71464423), (149, 4316643), (269, 2391003), (447, 1438881), (807, 797001), (1341, 479627), (1783, 360729), (2421, 265667), (5349, 120243), (16047, 40081)]