28328991

素因数分解:

$3^1\times {\mathrm{41}}^1\times {\mathrm{109}}^1\times {\mathrm{2113}}^1$

素因数の和:2266

約数の個数: 16

約数和(自身を含む): 39066720

約数和(自身を除く): 10737729

約数列:

[1, 3, 41, 109, 123, 327, 2113, 4469, 6339, 13407, 86633, 230317, 259899, 690951, 9442997, 28328991]

約数ペア:

[(1, 28328991), (3, 9442997), (41, 690951), (109, 259899), (123, 230317), (327, 86633), (2113, 13407), (4469, 6339)]