641565771

素因数分解:

$3^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{23339}}^1$

素因数の和:23384

約数の個数: 48

約数和(自身を含む): 1149448320

約数和(自身を除く): 507882549

約数列:

[1, 3, 7, 11, 17, 21, 33, 49, 51, 77, 119, 147, 187, 231, 357, 539, 561, 833, 1309, 1617, 2499, 3927, 9163, 23339, 27489, 70017, 163373, 256729, 396763, 490119, 770187, 1143611, 1190289, 1797103, 2777341, 3430833, 4364393, 5391309, 8332023, 12579721, 13093179, 19441387, 30550751, 37739163, 58324161, 91652253, 213855257, 641565771]

約数ペア:

[(1, 641565771), (3, 213855257), (7, 91652253), (11, 58324161), (17, 37739163), (21, 30550751), (33, 19441387), (49, 13093179), (51, 12579721), (77, 8332023), (119, 5391309), (147, 4364393), (187, 3430833), (231, 2777341), (357, 1797103), (539, 1190289), (561, 1143611), (833, 770187), (1309, 490119), (1617, 396763), (2499, 256729), (3927, 163373), (9163, 70017), (23339, 27489)]