81701235

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{73}}^1$

素因数の和:138

約数の個数: 192

約数和(自身を含む): 199480320

約数和(自身を除く): 117779085

約数列:

[1, 3, 5, 7, 9, 11, 15, 17, 19, 21, 33, 35, 45, 51, 55, 57, 63, 73, 77, 85, 95, 99, 105, 119, 133, 153, 165, 171, 187, 209, 219, 231, 255, 285, 315, 323, 357, 365, 385, 399, 495, 511, 561, 595, 627, 657, 665, 693, 765, 803, 855, 935, 969, 1045, 1071, 1095, 1155, 1197, 1241, 1309, 1387, 1463, 1533, 1615, 1683, 1785, 1881, 1995, 2261, 2409, 2555, 2805, 2907, 3135, 3285, 3465, 3553, 3723, 3927, 4015, 4161, 4389, 4599, 4845, 5355, 5621, 5985, 6205, 6545, 6783, 6935, 7227, 7315, 7665, 8415, 8687, 9405, 9709, 10659, 11169, 11305, 11781, 12045, 12483, 13167, 13651, 14535, 15257, 16863, 17765, 18615, 19635, 20349, 20805, 21945, 22995, 23579, 24871, 26061, 28105, 29127, 31977, 33915, 36135, 40953, 43435, 45771, 48545, 50589, 53295, 55845, 58905, 62415, 65835, 68255, 70737, 74613, 76285, 78183, 84315, 87381, 95557, 101745, 106799, 117895, 122859, 124355, 130305, 137313, 145635, 159885, 165053, 204765, 212211, 223839, 228855, 252945, 259369, 286671, 320397, 353685, 373065, 390915, 436905, 477785, 495159, 533995, 614295, 686565, 778107, 825265, 860013, 961191, 1061055, 1119195, 1296845, 1433355, 1485477, 1601985, 1815583, 2334321, 2475795, 3890535, 4300065, 4805955, 5446749, 7427385, 9077915, 11671605, 16340247, 27233745, 81701235]

約数ペア:

[(1, 81701235), (3, 27233745), (5, 16340247), (7, 11671605), (9, 9077915), (11, 7427385), (15, 5446749), (17, 4805955), (19, 4300065), (21, 3890535), (33, 2475795), (35, 2334321), (45, 1815583), (51, 1601985), (55, 1485477), (57, 1433355), (63, 1296845), (73, 1119195), (77, 1061055), (85, 961191), (95, 860013), (99, 825265), (105, 778107), (119, 686565), (133, 614295), (153, 533995), (165, 495159), (171, 477785), (187, 436905), (209, 390915), (219, 373065), (231, 353685), (255, 320397), (285, 286671), (315, 259369), (323, 252945), (357, 228855), (365, 223839), (385, 212211), (399, 204765), (495, 165053), (511, 159885), (561, 145635), (595, 137313), (627, 130305), (657, 124355), (665, 122859), (693, 117895), (765, 106799), (803, 101745), (855, 95557), (935, 87381), (969, 84315), (1045, 78183), (1071, 76285), (1095, 74613), (1155, 70737), (1197, 68255), (1241, 65835), (1309, 62415), (1387, 58905), (1463, 55845), (1533, 53295), (1615, 50589), (1683, 48545), (1785, 45771), (1881, 43435), (1995, 40953), (2261, 36135), (2409, 33915), (2555, 31977), (2805, 29127), (2907, 28105), (3135, 26061), (3285, 24871), (3465, 23579), (3553, 22995), (3723, 21945), (3927, 20805), (4015, 20349), (4161, 19635), (4389, 18615), (4599, 17765), (4845, 16863), (5355, 15257), (5621, 14535), (5985, 13651), (6205, 13167), (6545, 12483), (6783, 12045), (6935, 11781), (7227, 11305), (7315, 11169), (7665, 10659), (8415, 9709), (8687, 9405)]