2740059

素因数分解:

$3^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1$

素因数の和:128

約数の個数: 48

約数和(自身を含む): 4952064

約数和(自身を除く): 2212005

約数列:

[1, 3, 7, 9, 21, 23, 31, 61, 63, 69, 93, 161, 183, 207, 217, 279, 427, 483, 549, 651, 713, 1281, 1403, 1449, 1891, 1953, 2139, 3843, 4209, 4991, 5673, 6417, 9821, 12627, 13237, 14973, 17019, 29463, 39711, 43493, 44919, 88389, 119133, 130479, 304451, 391437, 913353, 2740059]

約数ペア:

[(1, 2740059), (3, 913353), (7, 391437), (9, 304451), (21, 130479), (23, 119133), (31, 88389), (61, 44919), (63, 43493), (69, 39711), (93, 29463), (161, 17019), (183, 14973), (207, 13237), (217, 12627), (279, 9821), (427, 6417), (483, 5673), (549, 4991), (651, 4209), (713, 3843), (1281, 2139), (1403, 1953), (1449, 1891)]