51213129

素因数分解:

$3^1\times {\mathrm{11}}^2\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{193}}^1$

素因数の和:278

約数の個数: 48

約数和(自身を含む): 81740736

約数和(自身を除く): 30527607

約数列:

[1, 3, 11, 17, 33, 43, 51, 121, 129, 187, 193, 363, 473, 561, 579, 731, 1419, 2057, 2123, 2193, 3281, 5203, 6171, 6369, 8041, 8299, 9843, 15609, 23353, 24123, 24897, 36091, 70059, 88451, 91289, 108273, 141083, 265353, 273867, 397001, 423249, 1004179, 1191003, 1551913, 3012537, 4655739, 17071043, 51213129]

約数ペア:

[(1, 51213129), (3, 17071043), (11, 4655739), (17, 3012537), (33, 1551913), (43, 1191003), (51, 1004179), (121, 423249), (129, 397001), (187, 273867), (193, 265353), (363, 141083), (473, 108273), (561, 91289), (579, 88451), (731, 70059), (1419, 36091), (2057, 24897), (2123, 24123), (2193, 23353), (3281, 15609), (5203, 9843), (6171, 8299), (6369, 8041)]