2017754781

素因数分解:

$3^1\times 7^4\times {\mathrm{37}}^1\times {\mathrm{67}}^1\times {\mathrm{113}}^1$

素因数の和:248

約数の個数: 80

約数和(自身を含む): 3300429504

約数和(自身を除く): 1282674723

約数列:

[1, 3, 7, 21, 37, 49, 67, 111, 113, 147, 201, 259, 339, 343, 469, 777, 791, 1029, 1407, 1813, 2373, 2401, 2479, 3283, 4181, 5439, 5537, 7203, 7437, 7571, 9849, 12543, 12691, 16611, 17353, 22713, 22981, 29267, 38073, 38759, 52059, 52997, 68943, 87801, 88837, 116277, 121471, 158991, 160867, 204869, 266511, 271313, 280127, 364413, 370979, 482601, 614607, 813939, 840381, 850297, 1112937, 1434083, 1960889, 2550891, 2596853, 4302249, 5882667, 5952079, 7790559, 10038581, 13726223, 17856237, 18177971, 30115743, 41178669, 54533913, 96083561, 288250683, 672584927, 2017754781]

約数ペア:

[(1, 2017754781), (3, 672584927), (7, 288250683), (21, 96083561), (37, 54533913), (49, 41178669), (67, 30115743), (111, 18177971), (113, 17856237), (147, 13726223), (201, 10038581), (259, 7790559), (339, 5952079), (343, 5882667), (469, 4302249), (777, 2596853), (791, 2550891), (1029, 1960889), (1407, 1434083), (1813, 1112937), (2373, 850297), (2401, 840381), (2479, 813939), (3283, 614607), (4181, 482601), (5439, 370979), (5537, 364413), (7203, 280127), (7437, 271313), (7571, 266511), (9849, 204869), (12543, 160867), (12691, 158991), (16611, 121471), (17353, 116277), (22713, 88837), (22981, 87801), (29267, 68943), (38073, 52997), (38759, 52059)]