7664787

素因数分解:

$3^4\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{251}}^1$

素因数の和:305

約数の個数: 40

約数和(自身を含む): 12806640

約数和(自身を除く): 5141853

約数列:

[1, 3, 9, 13, 27, 29, 39, 81, 87, 117, 251, 261, 351, 377, 753, 783, 1053, 1131, 2259, 2349, 3263, 3393, 6777, 7279, 9789, 10179, 20331, 21837, 29367, 30537, 65511, 88101, 94627, 196533, 264303, 283881, 589599, 851643, 2554929, 7664787]

約数ペア:

[(1, 7664787), (3, 2554929), (9, 851643), (13, 589599), (27, 283881), (29, 264303), (39, 196533), (81, 94627), (87, 88101), (117, 65511), (251, 30537), (261, 29367), (351, 21837), (377, 20331), (753, 10179), (783, 9789), (1053, 7279), (1131, 6777), (2259, 3393), (2349, 3263)]