189898401

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{127}}^1\times {\mathrm{6473}}^1$

素因数の和:6621

約数の個数: 32

約数和(自身を含む): 318210048

約数和(自身を除く): 128311647

約数列:

[1, 3, 7, 11, 21, 33, 77, 127, 231, 381, 889, 1397, 2667, 4191, 6473, 9779, 19419, 29337, 45311, 71203, 135933, 213609, 498421, 822071, 1495263, 2466213, 5754497, 9042781, 17263491, 27128343, 63299467, 189898401]

約数ペア:

[(1, 189898401), (3, 63299467), (7, 27128343), (11, 17263491), (21, 9042781), (33, 5754497), (77, 2466213), (127, 1495263), (231, 822071), (381, 498421), (889, 213609), (1397, 135933), (2667, 71203), (4191, 45311), (6473, 29337), (9779, 19419)]