11978757

素因数分解:

$3^2\times 7^1\times {\mathrm{107}}^1\times {\mathrm{1777}}^1$

素因数の和:1897

約数の個数: 24

約数和(自身を含む): 19970496

約数和(自身を除く): 7991739

約数列:

[1, 3, 7, 9, 21, 63, 107, 321, 749, 963, 1777, 2247, 5331, 6741, 12439, 15993, 37317, 111951, 190139, 570417, 1330973, 1711251, 3992919, 11978757]

約数ペア:

[(1, 11978757), (3, 3992919), (7, 1711251), (9, 1330973), (21, 570417), (63, 190139), (107, 111951), (321, 37317), (749, 15993), (963, 12439), (1777, 6741), (2247, 5331)]