20171751057

素因数分解:

$3^3\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{313}}^1\times {\mathrm{2081}}^1$

素因数の和:2471

約数の個数: 64

約数和(自身を含む): 31798302720

約数和(自身を除く): 11626551663

約数列:

[1, 3, 9, 27, 31, 37, 93, 111, 279, 313, 333, 837, 939, 999, 1147, 2081, 2817, 3441, 6243, 8451, 9703, 10323, 11581, 18729, 29109, 30969, 34743, 56187, 64511, 76997, 87327, 104229, 193533, 230991, 261981, 312687, 359011, 580599, 651353, 692973, 1077033, 1741797, 1954059, 2078919, 2386907, 3231099, 5862177, 7160721, 9693297, 17586531, 20191943, 21482163, 24100061, 60575829, 64446489, 72300183, 181727487, 216900549, 545182461, 650701647, 747101891, 2241305673, 6723917019, 20171751057]

約数ペア:

[(1, 20171751057), (3, 6723917019), (9, 2241305673), (27, 747101891), (31, 650701647), (37, 545182461), (93, 216900549), (111, 181727487), (279, 72300183), (313, 64446489), (333, 60575829), (837, 24100061), (939, 21482163), (999, 20191943), (1147, 17586531), (2081, 9693297), (2817, 7160721), (3441, 5862177), (6243, 3231099), (8451, 2386907), (9703, 2078919), (10323, 1954059), (11581, 1741797), (18729, 1077033), (29109, 692973), (30969, 651353), (34743, 580599), (56187, 359011), (64511, 312687), (76997, 261981), (87327, 230991), (104229, 193533)]