87831471

素因数分解:

$3^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{59}}^1$

素因数の和:149

約数の個数: 96

約数和(自身を含む): 160876800

約数和(自身を除く): 73045329

約数列:

[1, 3, 7, 13, 19, 21, 39, 41, 49, 57, 59, 91, 123, 133, 147, 177, 247, 273, 287, 399, 413, 533, 637, 741, 767, 779, 861, 931, 1121, 1239, 1599, 1729, 1911, 2009, 2301, 2337, 2419, 2793, 2891, 3363, 3731, 5187, 5369, 5453, 6027, 7257, 7847, 8673, 10127, 11193, 12103, 14573, 16107, 16359, 16933, 23541, 26117, 30381, 31447, 36309, 37583, 38171, 43719, 45961, 50799, 54929, 70889, 78351, 94341, 102011, 112749, 114513, 118531, 137883, 164787, 212667, 220129, 306033, 321727, 355593, 496223, 597493, 660387, 714077, 965181, 1488669, 1540903, 1792479, 2142231, 2252089, 4182451, 4622709, 6756267, 12547353, 29277157, 87831471]

約数ペア:

[(1, 87831471), (3, 29277157), (7, 12547353), (13, 6756267), (19, 4622709), (21, 4182451), (39, 2252089), (41, 2142231), (49, 1792479), (57, 1540903), (59, 1488669), (91, 965181), (123, 714077), (133, 660387), (147, 597493), (177, 496223), (247, 355593), (273, 321727), (287, 306033), (399, 220129), (413, 212667), (533, 164787), (637, 137883), (741, 118531), (767, 114513), (779, 112749), (861, 102011), (931, 94341), (1121, 78351), (1239, 70889), (1599, 54929), (1729, 50799), (1911, 45961), (2009, 43719), (2301, 38171), (2337, 37583), (2419, 36309), (2793, 31447), (2891, 30381), (3363, 26117), (3731, 23541), (5187, 16933), (5369, 16359), (5453, 16107), (6027, 14573), (7257, 12103), (7847, 11193), (8673, 10127)]