28455735

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{347}}^1$

素因数の和:444

約数の個数: 64

約数和(自身を含む): 57729024

約数和(自身を除く): 29273289

約数列:

[1, 3, 5, 7, 11, 15, 21, 33, 35, 55, 71, 77, 105, 165, 213, 231, 347, 355, 385, 497, 781, 1041, 1065, 1155, 1491, 1735, 2343, 2429, 2485, 3817, 3905, 5205, 5467, 7287, 7455, 11451, 11715, 12145, 16401, 19085, 24637, 26719, 27335, 36435, 57255, 73911, 80157, 82005, 123185, 133595, 172459, 271007, 369555, 400785, 517377, 813021, 862295, 1355035, 1897049, 2586885, 4065105, 5691147, 9485245, 28455735]

約数ペア:

[(1, 28455735), (3, 9485245), (5, 5691147), (7, 4065105), (11, 2586885), (15, 1897049), (21, 1355035), (33, 862295), (35, 813021), (55, 517377), (71, 400785), (77, 369555), (105, 271007), (165, 172459), (213, 133595), (231, 123185), (347, 82005), (355, 80157), (385, 73911), (497, 57255), (781, 36435), (1041, 27335), (1065, 26719), (1155, 24637), (1491, 19085), (1735, 16401), (2343, 12145), (2429, 11715), (2485, 11451), (3817, 7455), (3905, 7287), (5205, 5467)]