855004815

素因数分解:

$3^4\times 5^1\times 7^1\times {\mathrm{191}}^1\times {\mathrm{1579}}^1$

素因数の和:1794

約数の個数: 80

約数和(自身を含む): 1761914880

約数和(自身を除く): 906910065

約数列:

[1, 3, 5, 7, 9, 15, 21, 27, 35, 45, 63, 81, 105, 135, 189, 191, 315, 405, 567, 573, 945, 955, 1337, 1579, 1719, 2835, 2865, 4011, 4737, 5157, 6685, 7895, 8595, 11053, 12033, 14211, 15471, 20055, 23685, 25785, 33159, 36099, 42633, 55265, 60165, 71055, 77355, 99477, 108297, 127899, 165795, 180495, 213165, 298431, 301589, 497385, 541485, 639495, 895293, 904767, 1492155, 1507945, 2111123, 2714301, 4476465, 4523835, 6333369, 8142903, 10555615, 13571505, 19000107, 24428709, 31666845, 40714515, 57000321, 95000535, 122143545, 171000963, 285001605, 855004815]

約数ペア:

[(1, 855004815), (3, 285001605), (5, 171000963), (7, 122143545), (9, 95000535), (15, 57000321), (21, 40714515), (27, 31666845), (35, 24428709), (45, 19000107), (63, 13571505), (81, 10555615), (105, 8142903), (135, 6333369), (189, 4523835), (191, 4476465), (315, 2714301), (405, 2111123), (567, 1507945), (573, 1492155), (945, 904767), (955, 895293), (1337, 639495), (1579, 541485), (1719, 497385), (2835, 301589), (2865, 298431), (4011, 213165), (4737, 180495), (5157, 165795), (6685, 127899), (7895, 108297), (8595, 99477), (11053, 77355), (12033, 71055), (14211, 60165), (15471, 55265), (20055, 42633), (23685, 36099), (25785, 33159)]