320720813133

素因数分解:

$3^1\times 7^2\times {\mathrm{461}}^1\times {\mathrm{599}}^1\times {\mathrm{7901}}^1$

素因数の和:8978

約数の個数: 48

約数和(自身を含む): 499419043200

約数和(自身を除く): 178698230067

約数列:

[1, 3, 7, 21, 49, 147, 461, 599, 1383, 1797, 3227, 4193, 7901, 9681, 12579, 22589, 23703, 29351, 55307, 67767, 88053, 165921, 276139, 387149, 828417, 1161447, 1932973, 3642361, 4732699, 5798919, 10927083, 13530811, 14198097, 25496527, 33128893, 40592433, 76489581, 99386679, 178475689, 231902251, 535427067, 695706753, 2181774239, 6545322717, 15272419673, 45817259019, 106906937711, 320720813133]

約数ペア:

[(1, 320720813133), (3, 106906937711), (7, 45817259019), (21, 15272419673), (49, 6545322717), (147, 2181774239), (461, 695706753), (599, 535427067), (1383, 231902251), (1797, 178475689), (3227, 99386679), (4193, 76489581), (7901, 40592433), (9681, 33128893), (12579, 25496527), (22589, 14198097), (23703, 13530811), (29351, 10927083), (55307, 5798919), (67767, 4732699), (88053, 3642361), (165921, 1932973), (276139, 1161447), (387149, 828417)]