217156789707

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{173}}^1\times {\mathrm{55207}}^1$

素因数の和:55460

約数の個数: 64

約数和(自身を含む): 348589495296

約数和(自身を除く): 131432705589

約数列:

[1, 3, 11, 13, 33, 39, 53, 143, 159, 173, 429, 519, 583, 689, 1749, 1903, 2067, 2249, 5709, 6747, 7579, 9169, 22737, 24739, 27507, 55207, 74217, 100859, 119197, 165621, 302577, 357591, 607277, 717691, 1311167, 1821831, 2153073, 2925971, 3933501, 7894601, 8777913, 9550811, 23683803, 28652433, 32185681, 38037623, 96557043, 105058921, 114112869, 124160543, 315176763, 372481629, 418413853, 506192983, 1255241559, 1365765973, 1518578949, 4097297919, 5568122813, 6580508779, 16704368439, 19741526337, 72385596569, 217156789707]

約数ペア:

[(1, 217156789707), (3, 72385596569), (11, 19741526337), (13, 16704368439), (33, 6580508779), (39, 5568122813), (53, 4097297919), (143, 1518578949), (159, 1365765973), (173, 1255241559), (429, 506192983), (519, 418413853), (583, 372481629), (689, 315176763), (1749, 124160543), (1903, 114112869), (2067, 105058921), (2249, 96557043), (5709, 38037623), (6747, 32185681), (7579, 28652433), (9169, 23683803), (22737, 9550811), (24739, 8777913), (27507, 7894601), (55207, 3933501), (74217, 2925971), (100859, 2153073), (119197, 1821831), (165621, 1311167), (302577, 717691), (357591, 607277)]