274915905

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{757}}^1$

素因数の和:878

約数の個数: 64

約数和(自身を含む): 502972416

約数和(自身を除く): 228056511

約数列:

[1, 3, 5, 11, 15, 31, 33, 55, 71, 93, 155, 165, 213, 341, 355, 465, 757, 781, 1023, 1065, 1705, 2201, 2271, 2343, 3785, 3905, 5115, 6603, 8327, 11005, 11355, 11715, 23467, 24211, 24981, 33015, 41635, 53747, 70401, 72633, 117335, 121055, 124905, 161241, 258137, 268735, 352005, 363165, 591217, 774411, 806205, 1290685, 1666157, 1773651, 2956085, 3872055, 4998471, 8330785, 8868255, 18327727, 24992355, 54983181, 91638635, 274915905]

約数ペア:

[(1, 274915905), (3, 91638635), (5, 54983181), (11, 24992355), (15, 18327727), (31, 8868255), (33, 8330785), (55, 4998471), (71, 3872055), (93, 2956085), (155, 1773651), (165, 1666157), (213, 1290685), (341, 806205), (355, 774411), (465, 591217), (757, 363165), (781, 352005), (1023, 268735), (1065, 258137), (1705, 161241), (2201, 124905), (2271, 121055), (2343, 117335), (3785, 72633), (3905, 70401), (5115, 53747), (6603, 41635), (8327, 33015), (11005, 24981), (11355, 24211), (11715, 23467)]