31195857

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{12277}}^1$

素因数の和:12309

約数の個数: 24

約数和(自身を含む): 52255168

約数和(自身を除く): 21059311

約数列:

[1, 3, 7, 11, 21, 33, 77, 121, 231, 363, 847, 2541, 12277, 36831, 85939, 135047, 257817, 405141, 945329, 1485517, 2835987, 4456551, 10398619, 31195857]

約数ペア:

[(1, 31195857), (3, 10398619), (7, 4456551), (11, 2835987), (21, 1485517), (33, 945329), (77, 405141), (121, 257817), (231, 135047), (363, 85939), (847, 36831), (2541, 12277)]