2021367231

素因数分解:

$3^4\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{1423}}^1$

素因数の和:1538

約数の個数: 80

約数和(自身を含む): 3473648640

約数和(自身を除く): 1452281409

約数列:

[1, 3, 9, 13, 19, 27, 39, 57, 71, 81, 117, 171, 213, 247, 351, 513, 639, 741, 923, 1053, 1349, 1423, 1539, 1917, 2223, 2769, 4047, 4269, 5751, 6669, 8307, 12141, 12807, 17537, 18499, 20007, 24921, 27037, 36423, 38421, 52611, 55497, 74763, 81111, 101033, 109269, 115263, 157833, 166491, 243333, 303099, 351481, 473499, 499473, 729999, 909297, 1054443, 1313429, 1420497, 1498419, 1919627, 2189997, 2727891, 3163329, 3940287, 5758881, 8183673, 9489987, 11820861, 17276643, 24955151, 28469961, 35462583, 51829929, 74865453, 106387749, 155489787, 224596359, 673789077, 2021367231]

約数ペア:

[(1, 2021367231), (3, 673789077), (9, 224596359), (13, 155489787), (19, 106387749), (27, 74865453), (39, 51829929), (57, 35462583), (71, 28469961), (81, 24955151), (117, 17276643), (171, 11820861), (213, 9489987), (247, 8183673), (351, 5758881), (513, 3940287), (639, 3163329), (741, 2727891), (923, 2189997), (1053, 1919627), (1349, 1498419), (1423, 1420497), (1539, 1313429), (1917, 1054443), (2223, 909297), (2769, 729999), (4047, 499473), (4269, 473499), (5751, 351481), (6669, 303099), (8307, 243333), (12141, 166491), (12807, 157833), (17537, 115263), (18499, 109269), (20007, 101033), (24921, 81111), (27037, 74763), (36423, 55497), (38421, 52611)]