668327757

素因数分解:

$3^1\times {\mathrm{41}}^1\times {\mathrm{71}}^1\times {\mathrm{103}}^1\times {\mathrm{743}}^1$

素因数の和:961

約数の個数: 32

約数和(自身を含む): 935940096

約数和(自身を除く): 267612339

約数列:

[1, 3, 41, 71, 103, 123, 213, 309, 743, 2229, 2911, 4223, 7313, 8733, 12669, 21939, 30463, 52753, 76529, 91389, 158259, 229587, 299833, 899499, 2162873, 3137689, 5433559, 6488619, 9413067, 16300677, 222775919, 668327757]

約数ペア:

[(1, 668327757), (3, 222775919), (41, 16300677), (71, 9413067), (103, 6488619), (123, 5433559), (213, 3137689), (309, 2162873), (743, 899499), (2229, 299833), (2911, 229587), (4223, 158259), (7313, 91389), (8733, 76529), (12669, 52753), (21939, 30463)]