631507959

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{109}}^1\times {\mathrm{1993}}^1$

素因数の和:2144

約数の個数: 48

約数和(自身を含む): 1026511200

約数和(自身を除く): 395003241

約数列:

[1, 3, 9, 17, 19, 51, 57, 109, 153, 171, 323, 327, 969, 981, 1853, 1993, 2071, 2907, 5559, 5979, 6213, 16677, 17937, 18639, 33881, 35207, 37867, 101643, 105621, 113601, 217237, 304929, 316863, 340803, 643739, 651711, 1931217, 1955133, 3693029, 4127503, 5793651, 11079087, 12382509, 33237261, 37147527, 70167551, 210502653, 631507959]

約数ペア:

[(1, 631507959), (3, 210502653), (9, 70167551), (17, 37147527), (19, 33237261), (51, 12382509), (57, 11079087), (109, 5793651), (153, 4127503), (171, 3693029), (323, 1955133), (327, 1931217), (969, 651711), (981, 643739), (1853, 340803), (1993, 316863), (2071, 304929), (2907, 217237), (5559, 113601), (5979, 105621), (6213, 101643), (16677, 37867), (17937, 35207), (18639, 33881)]