20161118647449

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{109}}^1\times {\mathrm{941}}^1\times {\mathrm{1680013}}^1$

素因数の和:1681082

約数の個数: 48

約数和(自身を含む): 31683115223760

約数和(自身を除く): 11521996576311

約数列:

[1, 3, 9, 13, 39, 109, 117, 327, 941, 981, 1417, 2823, 4251, 8469, 12233, 12753, 36699, 102569, 110097, 307707, 923121, 1333397, 1680013, 4000191, 5040039, 12000573, 15120117, 21840169, 65520507, 183121417, 196561521, 549364251, 1580892233, 1648092753, 2380578421, 4742676699, 7141735263, 14228030097, 20551599029, 21425205789, 61654797087, 172317253397, 184964391261, 516951760191, 1550855280573, 2240124294161, 6720372882483, 20161118647449]

約数ペア:

[(1, 20161118647449), (3, 6720372882483), (9, 2240124294161), (13, 1550855280573), (39, 516951760191), (109, 184964391261), (117, 172317253397), (327, 61654797087), (941, 21425205789), (981, 20551599029), (1417, 14228030097), (2823, 7141735263), (4251, 4742676699), (8469, 2380578421), (12233, 1648092753), (12753, 1580892233), (36699, 549364251), (102569, 196561521), (110097, 183121417), (307707, 65520507), (923121, 21840169), (1333397, 15120117), (1680013, 12000573), (4000191, 5040039)]