27727275

素因数分解:

$3^1\times 5^2\times {\mathrm{41}}^1\times {\mathrm{71}}^1\times {\mathrm{127}}^1$

素因数の和:252

約数の個数: 48

約数和(自身を含む): 47996928

約数和(自身を除く): 20269653

約数列:

[1, 3, 5, 15, 25, 41, 71, 75, 123, 127, 205, 213, 355, 381, 615, 635, 1025, 1065, 1775, 1905, 2911, 3075, 3175, 5207, 5325, 8733, 9017, 9525, 14555, 15621, 26035, 27051, 43665, 45085, 72775, 78105, 130175, 135255, 218325, 225425, 369697, 390525, 676275, 1109091, 1848485, 5545455, 9242425, 27727275]

約数ペア:

[(1, 27727275), (3, 9242425), (5, 5545455), (15, 1848485), (25, 1109091), (41, 676275), (71, 390525), (75, 369697), (123, 225425), (127, 218325), (205, 135255), (213, 130175), (355, 78105), (381, 72775), (615, 45085), (635, 43665), (1025, 27051), (1065, 26035), (1775, 15621), (1905, 14555), (2911, 9525), (3075, 9017), (3175, 8733), (5207, 5325)]