1285751313

素因数分解:

$3^4\times 7^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{8963}}^1$

素因数の和:9016

約数の個数: 80

約数和(自身を含む): 2499019776

約数和(自身を除く): 1213268463

約数列:

[1, 3, 7, 9, 11, 21, 23, 27, 33, 63, 69, 77, 81, 99, 161, 189, 207, 231, 253, 297, 483, 567, 621, 693, 759, 891, 1449, 1771, 1863, 2079, 2277, 4347, 5313, 6237, 6831, 8963, 13041, 15939, 20493, 26889, 47817, 62741, 80667, 98593, 143451, 188223, 206149, 242001, 295779, 564669, 618447, 690151, 726003, 887337, 1443043, 1694007, 1855341, 2070453, 2267639, 2662011, 4329129, 5082021, 5566023, 6211359, 6802917, 7986033, 12987387, 15873473, 16698069, 18634077, 20408751, 38962161, 47620419, 55902231, 61226253, 116886483, 142861257, 183678759, 428583771, 1285751313]

約数ペア:

[(1, 1285751313), (3, 428583771), (7, 183678759), (9, 142861257), (11, 116886483), (21, 61226253), (23, 55902231), (27, 47620419), (33, 38962161), (63, 20408751), (69, 18634077), (77, 16698069), (81, 15873473), (99, 12987387), (161, 7986033), (189, 6802917), (207, 6211359), (231, 5566023), (253, 5082021), (297, 4329129), (483, 2662011), (567, 2267639), (621, 2070453), (693, 1855341), (759, 1694007), (891, 1443043), (1449, 887337), (1771, 726003), (1863, 690151), (2079, 618447), (2277, 564669), (4347, 295779), (5313, 242001), (6237, 206149), (6831, 188223), (8963, 143451), (13041, 98593), (15939, 80667), (20493, 62741), (26889, 47817)]