74142783

素因数分解:

$3^4\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{173}}^1$

素因数の和:246

約数の個数: 80

約数和(自身を含む): 134408736

約数和(自身を除く): 60265953

約数列:

[1, 3, 9, 11, 13, 27, 33, 37, 39, 81, 99, 111, 117, 143, 173, 297, 333, 351, 407, 429, 481, 519, 891, 999, 1053, 1221, 1287, 1443, 1557, 1903, 2249, 2997, 3663, 3861, 4329, 4671, 5291, 5709, 6401, 6747, 10989, 11583, 12987, 14013, 15873, 17127, 19203, 20241, 24739, 32967, 38961, 47619, 51381, 57609, 60723, 70411, 74217, 83213, 142857, 154143, 172827, 182169, 211233, 222651, 249639, 428571, 518481, 633699, 667953, 748917, 915343, 1901097, 2003859, 2246751, 2746029, 5703291, 6740253, 8238087, 24714261, 74142783]

約数ペア:

[(1, 74142783), (3, 24714261), (9, 8238087), (11, 6740253), (13, 5703291), (27, 2746029), (33, 2246751), (37, 2003859), (39, 1901097), (81, 915343), (99, 748917), (111, 667953), (117, 633699), (143, 518481), (173, 428571), (297, 249639), (333, 222651), (351, 211233), (407, 182169), (429, 172827), (481, 154143), (519, 142857), (891, 83213), (999, 74217), (1053, 70411), (1221, 60723), (1287, 57609), (1443, 51381), (1557, 47619), (1903, 38961), (2249, 32967), (2997, 24739), (3663, 20241), (3861, 19203), (4329, 17127), (4671, 15873), (5291, 14013), (5709, 12987), (6401, 11583), (6747, 10989)]