20171672487

素因数分解:

$3^3\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{347}}^1\times {\mathrm{2411}}^1$

素因数の和:2833

約数の個数: 64

約数和(自身を含む): 32232038400

約数和(自身を除く): 12060365913

約数列:

[1, 3, 9, 19, 27, 47, 57, 141, 171, 347, 423, 513, 893, 1041, 1269, 2411, 2679, 3123, 6593, 7233, 8037, 9369, 16309, 19779, 21699, 24111, 45809, 48927, 59337, 65097, 113317, 137427, 146781, 178011, 309871, 339951, 412281, 440343, 836617, 929613, 1019853, 1236843, 2153023, 2509851, 2788839, 3059559, 6459069, 7529553, 8366517, 15895723, 19377207, 22588659, 39320999, 47687169, 58131621, 117962997, 143061507, 353888991, 429184521, 747098981, 1061666973, 2241296943, 6723890829, 20171672487]

約数ペア:

[(1, 20171672487), (3, 6723890829), (9, 2241296943), (19, 1061666973), (27, 747098981), (47, 429184521), (57, 353888991), (141, 143061507), (171, 117962997), (347, 58131621), (423, 47687169), (513, 39320999), (893, 22588659), (1041, 19377207), (1269, 15895723), (2411, 8366517), (2679, 7529553), (3123, 6459069), (6593, 3059559), (7233, 2788839), (8037, 2509851), (9369, 2153023), (16309, 1236843), (19779, 1019853), (21699, 929613), (24111, 836617), (45809, 440343), (48927, 412281), (59337, 339951), (65097, 309871), (113317, 178011), (137427, 146781)]