6667857

素因数分解:

$3^2\times 7^1\times {\mathrm{109}}^1\times {\mathrm{971}}^1$

素因数の和:1093

約数の個数: 24

約数和(自身を含む): 11119680

約数和(自身を除く): 4451823

約数列:

[1, 3, 7, 9, 21, 63, 109, 327, 763, 971, 981, 2289, 2913, 6797, 6867, 8739, 20391, 61173, 105839, 317517, 740873, 952551, 2222619, 6667857]

約数ペア:

[(1, 6667857), (3, 2222619), (7, 952551), (9, 740873), (21, 317517), (63, 105839), (109, 61173), (327, 20391), (763, 8739), (971, 6867), (981, 6797), (2289, 2913)]