222721807

素因数分解:

$7^2\times {\mathrm{11}}^1\times {\mathrm{193}}^1\times {\mathrm{2141}}^1$

素因数の和:2359

約数の個数: 24

約数和(自身を含む): 284234832

約数和(自身を除く): 61513025

約数列:

[1, 7, 11, 49, 77, 193, 539, 1351, 2123, 2141, 9457, 14861, 14987, 23551, 104027, 104909, 164857, 413213, 1153999, 2892491, 4545343, 20247437, 31817401, 222721807]

約数ペア:

[(1, 222721807), (7, 31817401), (11, 20247437), (49, 4545343), (77, 2892491), (193, 1153999), (539, 413213), (1351, 164857), (2123, 104909), (2141, 104027), (9457, 23551), (14861, 14987)]