8667321

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{67}}^1\times {\mathrm{107}}^1$

素因数の和:221

約数の個数: 32

約数和(自身を含む): 13160448

約数和(自身を除く): 4493127

約数列:

[1, 3, 13, 31, 39, 67, 93, 107, 201, 321, 403, 871, 1209, 1391, 2077, 2613, 3317, 4173, 6231, 7169, 9951, 21507, 27001, 43121, 81003, 93197, 129363, 222239, 279591, 666717, 2889107, 8667321]

約数ペア:

[(1, 8667321), (3, 2889107), (13, 666717), (31, 279591), (39, 222239), (67, 129363), (93, 93197), (107, 81003), (201, 43121), (321, 27001), (403, 21507), (871, 9951), (1209, 7169), (1391, 6231), (2077, 4173), (2613, 3317)]