217467783

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{211}}^1\times {\mathrm{383}}^1$

素因数の和:636

約数の個数: 48

約数和(自身を含む): 355590144

約数和(自身を除く): 138122361

約数列:

[1, 3, 9, 13, 23, 39, 69, 117, 207, 211, 299, 383, 633, 897, 1149, 1899, 2691, 2743, 3447, 4853, 4979, 8229, 8809, 14559, 14937, 24687, 26427, 43677, 44811, 63089, 79281, 80813, 114517, 189267, 242439, 343551, 567801, 727317, 1030653, 1050569, 1858699, 3151707, 5576097, 9455121, 16728291, 24163087, 72489261, 217467783]

約数ペア:

[(1, 217467783), (3, 72489261), (9, 24163087), (13, 16728291), (23, 9455121), (39, 5576097), (69, 3151707), (117, 1858699), (207, 1050569), (211, 1030653), (299, 727317), (383, 567801), (633, 343551), (897, 242439), (1149, 189267), (1899, 114517), (2691, 80813), (2743, 79281), (3447, 63089), (4853, 44811), (4979, 43677), (8229, 26427), (8809, 24687), (14559, 14937)]