426840981

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{25439}}^1$

素因数の和:25513

約数の個数: 32

約数和(自身を含む): 703365120

約数和(自身を除く): 276524139

約数列:

[1, 3, 7, 17, 21, 47, 51, 119, 141, 329, 357, 799, 987, 2397, 5593, 16779, 25439, 76317, 178073, 432463, 534219, 1195633, 1297389, 3027241, 3586899, 8369431, 9081723, 20325761, 25108293, 60977283, 142280327, 426840981]

約数ペア:

[(1, 426840981), (3, 142280327), (7, 60977283), (17, 25108293), (21, 20325761), (47, 9081723), (51, 8369431), (119, 3586899), (141, 3027241), (329, 1297389), (357, 1195633), (799, 534219), (987, 432463), (2397, 178073), (5593, 76317), (16779, 25439)]