64757187

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{173}}^1\times {\mathrm{199}}^1$

素因数の和:408

約数の個数: 48

約数和(自身を含む): 108576000

約数和(自身を除く): 43818813

約数列:

[1, 3, 9, 11, 19, 33, 57, 99, 171, 173, 199, 209, 519, 597, 627, 1557, 1791, 1881, 1903, 2189, 3287, 3781, 5709, 6567, 9861, 11343, 17127, 19701, 29583, 34029, 34427, 36157, 41591, 103281, 108471, 124773, 309843, 325413, 374319, 378697, 654113, 1136091, 1962339, 3408273, 5887017, 7195243, 21585729, 64757187]

約数ペア:

[(1, 64757187), (3, 21585729), (9, 7195243), (11, 5887017), (19, 3408273), (33, 1962339), (57, 1136091), (99, 654113), (171, 378697), (173, 374319), (199, 325413), (209, 309843), (519, 124773), (597, 108471), (627, 103281), (1557, 41591), (1791, 36157), (1881, 34427), (1903, 34029), (2189, 29583), (3287, 19701), (3781, 17127), (5709, 11343), (6567, 9861)]