17971119

素因数分解:

$3^3\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{673}}^1$

素因数の和:748

約数の個数: 32

約数和(自身を含む): 28469760

約数和(自身を除く): 10498641

約数列:

[1, 3, 9, 23, 27, 43, 69, 129, 207, 387, 621, 673, 989, 1161, 2019, 2967, 6057, 8901, 15479, 18171, 26703, 28939, 46437, 86817, 139311, 260451, 417933, 665597, 781353, 1996791, 5990373, 17971119]

約数ペア:

[(1, 17971119), (3, 5990373), (9, 1996791), (23, 781353), (27, 665597), (43, 417933), (69, 260451), (129, 139311), (207, 86817), (387, 46437), (621, 28939), (673, 26703), (989, 18171), (1161, 15479), (2019, 8901), (2967, 6057)]