11821887

素因数分解:

$3^2\times 7^2\times {\mathrm{11}}^1\times {\mathrm{2437}}^1$

素因数の和:2468

約数の個数: 36

約数和(自身を含む): 21678696

約数和(自身を除く): 9856809

約数列:

[1, 3, 7, 9, 11, 21, 33, 49, 63, 77, 99, 147, 231, 441, 539, 693, 1617, 2437, 4851, 7311, 17059, 21933, 26807, 51177, 80421, 119413, 153531, 187649, 241263, 358239, 562947, 1074717, 1313543, 1688841, 3940629, 11821887]

約数ペア:

[(1, 11821887), (3, 3940629), (7, 1688841), (9, 1313543), (11, 1074717), (21, 562947), (33, 358239), (49, 241263), (63, 187649), (77, 153531), (99, 119413), (147, 80421), (231, 51177), (441, 26807), (539, 21933), (693, 17059), (1617, 7311), (2437, 4851)]