201279507

素因数分解:

$3^1\times {\mathrm{11}}^2\times {\mathrm{13}}^2\times {\mathrm{17}}^1\times {\mathrm{193}}^1$

素因数の和:261

約数の個数: 72

約数和(自身を含む): 339967152

約数和(自身を除く): 138687645

約数列:

[1, 3, 11, 13, 17, 33, 39, 51, 121, 143, 169, 187, 193, 221, 363, 429, 507, 561, 579, 663, 1573, 1859, 2057, 2123, 2431, 2509, 2873, 3281, 4719, 5577, 6171, 6369, 7293, 7527, 8619, 9843, 20449, 23353, 26741, 27599, 31603, 32617, 36091, 42653, 61347, 70059, 80223, 82797, 94809, 97851, 108273, 127959, 303589, 347633, 358787, 397001, 469183, 554489, 910767, 1042899, 1076361, 1191003, 1407549, 1663467, 3946657, 5161013, 6099379, 11839971, 15483039, 18298137, 67093169, 201279507]

約数ペア:

[(1, 201279507), (3, 67093169), (11, 18298137), (13, 15483039), (17, 11839971), (33, 6099379), (39, 5161013), (51, 3946657), (121, 1663467), (143, 1407549), (169, 1191003), (187, 1076361), (193, 1042899), (221, 910767), (363, 554489), (429, 469183), (507, 397001), (561, 358787), (579, 347633), (663, 303589), (1573, 127959), (1859, 108273), (2057, 97851), (2123, 94809), (2431, 82797), (2509, 80223), (2873, 70059), (3281, 61347), (4719, 42653), (5577, 36091), (6171, 32617), (6369, 31603), (7293, 27599), (7527, 26741), (8619, 23353), (9843, 20449)]