79875639

素因数分解:

$3^4\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{71}}^1$

素因数の和:162

約数の個数: 80

約数和(自身を含む): 137998080

約数和(自身を除く): 58122441

約数列:

[1, 3, 9, 17, 19, 27, 43, 51, 57, 71, 81, 129, 153, 171, 213, 323, 387, 459, 513, 639, 731, 817, 969, 1161, 1207, 1349, 1377, 1539, 1917, 2193, 2451, 2907, 3053, 3483, 3621, 4047, 5751, 6579, 7353, 8721, 9159, 10863, 12141, 13889, 19737, 22059, 22933, 26163, 27477, 32589, 36423, 41667, 51901, 58007, 59211, 66177, 68799, 82431, 97767, 109269, 125001, 155703, 174021, 206397, 247293, 375003, 467109, 522063, 619191, 986119, 1125009, 1401327, 1566189, 1857573, 2958357, 4203981, 4698567, 8875071, 26625213, 79875639]

約数ペア:

[(1, 79875639), (3, 26625213), (9, 8875071), (17, 4698567), (19, 4203981), (27, 2958357), (43, 1857573), (51, 1566189), (57, 1401327), (71, 1125009), (81, 986119), (129, 619191), (153, 522063), (171, 467109), (213, 375003), (323, 247293), (387, 206397), (459, 174021), (513, 155703), (639, 125001), (731, 109269), (817, 97767), (969, 82431), (1161, 68799), (1207, 66177), (1349, 59211), (1377, 58007), (1539, 51901), (1917, 41667), (2193, 36423), (2451, 32589), (2907, 27477), (3053, 26163), (3483, 22933), (3621, 22059), (4047, 19737), (5751, 13889), (6579, 12141), (7353, 10863), (8721, 9159)]