172920177

素因数分解:

$3^4\times {\mathrm{61}}^1\times {\mathrm{79}}^1\times {\mathrm{443}}^1$

素因数の和:595

約数の個数: 40

約数和(自身を含む): 266471040

約数和(自身を除く): 93550863

約数列:

[1, 3, 9, 27, 61, 79, 81, 183, 237, 443, 549, 711, 1329, 1647, 2133, 3987, 4819, 4941, 6399, 11961, 14457, 27023, 34997, 35883, 43371, 81069, 104991, 130113, 243207, 314973, 390339, 729621, 944919, 2134817, 2188863, 2834757, 6404451, 19213353, 57640059, 172920177]

約数ペア:

[(1, 172920177), (3, 57640059), (9, 19213353), (27, 6404451), (61, 2834757), (79, 2188863), (81, 2134817), (183, 944919), (237, 729621), (443, 390339), (549, 314973), (711, 243207), (1329, 130113), (1647, 104991), (2133, 81069), (3987, 43371), (4819, 35883), (4941, 34997), (6399, 27023), (11961, 14457)]