7427385

素因数分解:

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

素因数の和:127

約数の個数: 96

約数和(自身を含む): 16623360

約数和(自身を除く): 9195975

約数列:

[1, 3, 5, 7, 9, 15, 17, 19, 21, 35, 45, 51, 57, 63, 73, 85, 95, 105, 119, 133, 153, 171, 219, 255, 285, 315, 323, 357, 365, 399, 511, 595, 657, 665, 765, 855, 969, 1071, 1095, 1197, 1241, 1387, 1533, 1615, 1785, 1995, 2261, 2555, 2907, 3285, 3723, 4161, 4599, 4845, 5355, 5985, 6205, 6783, 6935, 7665, 8687, 9709, 11169, 11305, 12483, 14535, 18615, 20349, 20805, 22995, 23579, 26061, 29127, 33915, 43435, 48545, 55845, 62415, 70737, 78183, 87381, 101745, 117895, 130305, 145635, 165053, 212211, 353685, 390915, 436905, 495159, 825265, 1061055, 1485477, 2475795, 7427385]

約数ペア:

[(1, 7427385), (3, 2475795), (5, 1485477), (7, 1061055), (9, 825265), (15, 495159), (17, 436905), (19, 390915), (21, 353685), (35, 212211), (45, 165053), (51, 145635), (57, 130305), (63, 117895), (73, 101745), (85, 87381), (95, 78183), (105, 70737), (119, 62415), (133, 55845), (153, 48545), (171, 43435), (219, 33915), (255, 29127), (285, 26061), (315, 23579), (323, 22995), (357, 20805), (365, 20349), (399, 18615), (511, 14535), (595, 12483), (657, 11305), (665, 11169), (765, 9709), (855, 8687), (969, 7665), (1071, 6935), (1095, 6783), (1197, 6205), (1241, 5985), (1387, 5355), (1533, 4845), (1615, 4599), (1785, 4161), (1995, 3723), (2261, 3285), (2555, 2907)]