74781993

素因数分解:

$3^1\times {\mathrm{11}}^2\times {\mathrm{13}}^2\times {\mathrm{23}}^1\times {\mathrm{53}}^1$

素因数の和:127

約数の個数: 72

約数和(自身を含む): 126173376

約数和(自身を除く): 51391383

約数列:

[1, 3, 11, 13, 23, 33, 39, 53, 69, 121, 143, 159, 169, 253, 299, 363, 429, 507, 583, 689, 759, 897, 1219, 1573, 1749, 1859, 2067, 2783, 3289, 3657, 3887, 4719, 5577, 6413, 7579, 8349, 8957, 9867, 11661, 13409, 15847, 19239, 20449, 22737, 26871, 36179, 40227, 42757, 47541, 61347, 83369, 98527, 108537, 128271, 147499, 174317, 206011, 250107, 295581, 442497, 470327, 522951, 618033, 1083797, 1410981, 1917487, 2266121, 3251391, 5752461, 6798363, 24927331, 74781993]

約数ペア:

[(1, 74781993), (3, 24927331), (11, 6798363), (13, 5752461), (23, 3251391), (33, 2266121), (39, 1917487), (53, 1410981), (69, 1083797), (121, 618033), (143, 522951), (159, 470327), (169, 442497), (253, 295581), (299, 250107), (363, 206011), (429, 174317), (507, 147499), (583, 128271), (689, 108537), (759, 98527), (897, 83369), (1219, 61347), (1573, 47541), (1749, 42757), (1859, 40227), (2067, 36179), (2783, 26871), (3289, 22737), (3657, 20449), (3887, 19239), (4719, 15847), (5577, 13409), (6413, 11661), (7579, 9867), (8349, 8957)]