258567981

素因数分解:

$3^1\times 7^1\times {\mathrm{1951}}^1\times {\mathrm{6311}}^1$

素因数の和:8272

約数の個数: 16

約数和(自身を含む): 394272768

約数和(自身を除く): 135704787

約数列:

[1, 3, 7, 21, 1951, 5853, 6311, 13657, 18933, 40971, 44177, 132531, 12312761, 36938283, 86189327, 258567981]

約数ペア:

[(1, 258567981), (3, 86189327), (7, 36938283), (21, 12312761), (1951, 132531), (5853, 44177), (6311, 40971), (13657, 18933)]