2011995657

素因数分解:

$3^2\times 7^1\times {\mathrm{37}}^1\times {\mathrm{71}}^1\times {\mathrm{12157}}^1$

素因数の和:12278

約数の個数: 48

約数和(自身を含む): 3459485952

約数和(自身を除く): 1447490295

約数列:

[1, 3, 7, 9, 21, 37, 63, 71, 111, 213, 259, 333, 497, 639, 777, 1491, 2331, 2627, 4473, 7881, 12157, 18389, 23643, 36471, 55167, 85099, 109413, 165501, 255297, 449809, 765891, 863147, 1349427, 2589441, 3148663, 4048281, 6042029, 7768323, 9445989, 18126087, 28337967, 31936439, 54378261, 95809317, 223555073, 287427951, 670665219, 2011995657]

約数ペア:

[(1, 2011995657), (3, 670665219), (7, 287427951), (9, 223555073), (21, 95809317), (37, 54378261), (63, 31936439), (71, 28337967), (111, 18126087), (213, 9445989), (259, 7768323), (333, 6042029), (497, 4048281), (639, 3148663), (777, 2589441), (1491, 1349427), (2331, 863147), (2627, 765891), (4473, 449809), (7881, 255297), (12157, 165501), (18389, 109413), (23643, 85099), (36471, 55167)]