8220177

素因数分解:

$3^3\times 7^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1$

素因数の和:131

約数の個数: 64

約数和(自身を含む): 15237120

約数和(自身を除く): 7016943

約数列:

[1, 3, 7, 9, 21, 23, 27, 31, 61, 63, 69, 93, 161, 183, 189, 207, 217, 279, 427, 483, 549, 621, 651, 713, 837, 1281, 1403, 1449, 1647, 1891, 1953, 2139, 3843, 4209, 4347, 4991, 5673, 5859, 6417, 9821, 11529, 12627, 13237, 14973, 17019, 19251, 29463, 37881, 39711, 43493, 44919, 51057, 88389, 119133, 130479, 134757, 265167, 304451, 357399, 391437, 913353, 1174311, 2740059, 8220177]

約数ペア:

[(1, 8220177), (3, 2740059), (7, 1174311), (9, 913353), (21, 391437), (23, 357399), (27, 304451), (31, 265167), (61, 134757), (63, 130479), (69, 119133), (93, 88389), (161, 51057), (183, 44919), (189, 43493), (207, 39711), (217, 37881), (279, 29463), (427, 19251), (483, 17019), (549, 14973), (621, 13237), (651, 12627), (713, 11529), (837, 9821), (1281, 6417), (1403, 5859), (1449, 5673), (1647, 4991), (1891, 4347), (1953, 4209), (2139, 3843)]