51567705

素因数分解:

$3^3\times 5^1\times 7^1\times {\mathrm{197}}^1\times {\mathrm{277}}^1$

素因数の和:495

約数の個数: 64

約数和(自身を含む): 105684480

約数和(自身を除く): 54116775

約数列:

[1, 3, 5, 7, 9, 15, 21, 27, 35, 45, 63, 105, 135, 189, 197, 277, 315, 591, 831, 945, 985, 1379, 1385, 1773, 1939, 2493, 2955, 4137, 4155, 5319, 5817, 6895, 7479, 8865, 9695, 12411, 12465, 17451, 20685, 26595, 29085, 37233, 37395, 52353, 54569, 62055, 87255, 163707, 186165, 261765, 272845, 381983, 491121, 818535, 1145949, 1473363, 1909915, 2455605, 3437847, 5729745, 7366815, 10313541, 17189235, 51567705]

約数ペア:

[(1, 51567705), (3, 17189235), (5, 10313541), (7, 7366815), (9, 5729745), (15, 3437847), (21, 2455605), (27, 1909915), (35, 1473363), (45, 1145949), (63, 818535), (105, 491121), (135, 381983), (189, 272845), (197, 261765), (277, 186165), (315, 163707), (591, 87255), (831, 62055), (945, 54569), (985, 52353), (1379, 37395), (1385, 37233), (1773, 29085), (1939, 26595), (2493, 20685), (2955, 17451), (4137, 12465), (4155, 12411), (5319, 9695), (5817, 8865), (6895, 7479)]