8780211

素因数分解:

$3^3\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{47}}^1$

素因数の和:121

約数の個数: 64

約数和(自身を含む): 15759360

約数和(自身を除く): 6979149

約数列:

[1, 3, 9, 11, 17, 27, 33, 37, 47, 51, 99, 111, 141, 153, 187, 297, 333, 407, 423, 459, 517, 561, 629, 799, 999, 1221, 1269, 1551, 1683, 1739, 1887, 2397, 3663, 4653, 5049, 5217, 5661, 6919, 7191, 8789, 10989, 13959, 15651, 16983, 19129, 20757, 21573, 26367, 29563, 46953, 57387, 62271, 79101, 88689, 172161, 186813, 237303, 266067, 325193, 516483, 798201, 975579, 2926737, 8780211]

約数ペア:

[(1, 8780211), (3, 2926737), (9, 975579), (11, 798201), (17, 516483), (27, 325193), (33, 266067), (37, 237303), (47, 186813), (51, 172161), (99, 88689), (111, 79101), (141, 62271), (153, 57387), (187, 46953), (297, 29563), (333, 26367), (407, 21573), (423, 20757), (459, 19129), (517, 16983), (561, 15651), (629, 13959), (799, 10989), (999, 8789), (1221, 7191), (1269, 6919), (1551, 5661), (1683, 5217), (1739, 5049), (1887, 4653), (2397, 3663)]