2013205761

素因数分解:

$3^2\times 7^1\times {\mathrm{103}}^1\times {\mathrm{557}}^2$

素因数の和:1230

約数の個数: 36

約数和(自身を含む): 3361688512

約数和(自身を除く): 1348482751

約数列:

[1, 3, 7, 9, 21, 63, 103, 309, 557, 721, 927, 1671, 2163, 3899, 5013, 6489, 11697, 35091, 57371, 172113, 310249, 401597, 516339, 930747, 1204791, 2171743, 2792241, 3614373, 6515229, 19545687, 31955647, 95866941, 223689529, 287600823, 671068587, 2013205761]

約数ペア:

[(1, 2013205761), (3, 671068587), (7, 287600823), (9, 223689529), (21, 95866941), (63, 31955647), (103, 19545687), (309, 6515229), (557, 3614373), (721, 2792241), (927, 2171743), (1671, 1204791), (2163, 930747), (3899, 516339), (5013, 401597), (6489, 310249), (11697, 172113), (35091, 57371)]