643485141

素因数分解:

$3^5\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{151}}^1$

素因数の和:269

約数の個数: 96

約数和(自身を含む): 1115412480

約数和(自身を除く): 471927339

約数列:

[1, 3, 9, 13, 19, 27, 39, 57, 71, 81, 117, 151, 171, 213, 243, 247, 351, 453, 513, 639, 741, 923, 1053, 1349, 1359, 1539, 1917, 1963, 2223, 2769, 2869, 3159, 4047, 4077, 4617, 5751, 5889, 6669, 8307, 8607, 10721, 12141, 12231, 17253, 17537, 17667, 20007, 24921, 25821, 32163, 36423, 36693, 37297, 52611, 53001, 60021, 74763, 77463, 96489, 109269, 111891, 139373, 157833, 159003, 203699, 224289, 232389, 289467, 327807, 335673, 418119, 473499, 477009, 611097, 697167, 868401, 1007019, 1254357, 1420497, 1833291, 2605203, 2648087, 3021057, 3763071, 4261491, 5499873, 7944261, 9063171, 11289213, 16499619, 23832783, 33867639, 49498857, 71498349, 214495047, 643485141]

約数ペア:

[(1, 643485141), (3, 214495047), (9, 71498349), (13, 49498857), (19, 33867639), (27, 23832783), (39, 16499619), (57, 11289213), (71, 9063171), (81, 7944261), (117, 5499873), (151, 4261491), (171, 3763071), (213, 3021057), (243, 2648087), (247, 2605203), (351, 1833291), (453, 1420497), (513, 1254357), (639, 1007019), (741, 868401), (923, 697167), (1053, 611097), (1349, 477009), (1359, 473499), (1539, 418119), (1917, 335673), (1963, 327807), (2223, 289467), (2769, 232389), (2869, 224289), (3159, 203699), (4047, 159003), (4077, 157833), (4617, 139373), (5751, 111891), (5889, 109269), (6669, 96489), (8307, 77463), (8607, 74763), (10721, 60021), (12141, 53001), (12231, 52611), (17253, 37297), (17537, 36693), (17667, 36423), (20007, 32163), (24921, 25821)]