217335717

素因数分解:

$3^4\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{2713}}^1$

素因数の和:2791

約数の個数: 40

約数和(自身を含む): 346784064

約数和(自身を除く): 129448347

約数列:

[1, 3, 9, 23, 27, 43, 69, 81, 129, 207, 387, 621, 989, 1161, 1863, 2713, 2967, 3483, 8139, 8901, 24417, 26703, 62399, 73251, 80109, 116659, 187197, 219753, 349977, 561591, 1049931, 1684773, 2683157, 3149793, 5054319, 8049471, 9449379, 24148413, 72445239, 217335717]

約数ペア:

[(1, 217335717), (3, 72445239), (9, 24148413), (23, 9449379), (27, 8049471), (43, 5054319), (69, 3149793), (81, 2683157), (129, 1684773), (207, 1049931), (387, 561591), (621, 349977), (989, 219753), (1161, 187197), (1863, 116659), (2713, 80109), (2967, 73251), (3483, 62399), (8139, 26703), (8901, 24417)]