2012197887

素因数分解:

$3^2\times 7^2\times {\mathrm{47}}^1\times {\mathrm{97081}}^1$

素因数の和:97148

約数の個数: 36

約数和(自身を含む): 3453012576

約数和(自身を除く): 1440814689

約数列:

[1, 3, 7, 9, 21, 47, 49, 63, 141, 147, 329, 423, 441, 987, 2303, 2961, 6909, 20727, 97081, 291243, 679567, 873729, 2038701, 4562807, 4756969, 6116103, 13688421, 14270907, 31939649, 41065263, 42812721, 95818947, 223577543, 287456841, 670732629, 2012197887]

約数ペア:

[(1, 2012197887), (3, 670732629), (7, 287456841), (9, 223577543), (21, 95818947), (47, 42812721), (49, 41065263), (63, 31939649), (141, 14270907), (147, 13688421), (329, 6116103), (423, 4756969), (441, 4562807), (987, 2038701), (2303, 873729), (2961, 679567), (6909, 291243), (20727, 97081)]