161794395

素因数分解:

$3^3\times 5^1\times 7^1\times {\mathrm{313}}^1\times {\mathrm{547}}^1$

素因数の和:881

約数の個数: 64

約数和(自身を含む): 330378240

約数和(自身を除く): 168583845

約数列:

[1, 3, 5, 7, 9, 15, 21, 27, 35, 45, 63, 105, 135, 189, 313, 315, 547, 939, 945, 1565, 1641, 2191, 2735, 2817, 3829, 4695, 4923, 6573, 8205, 8451, 10955, 11487, 14085, 14769, 19145, 19719, 24615, 32865, 34461, 42255, 57435, 59157, 73845, 98595, 103383, 171211, 172305, 295785, 513633, 516915, 856055, 1198477, 1540899, 2568165, 3595431, 4622697, 5992385, 7704495, 10786293, 17977155, 23113485, 32358879, 53931465, 161794395]

約数ペア:

[(1, 161794395), (3, 53931465), (5, 32358879), (7, 23113485), (9, 17977155), (15, 10786293), (21, 7704495), (27, 5992385), (35, 4622697), (45, 3595431), (63, 2568165), (105, 1540899), (135, 1198477), (189, 856055), (313, 516915), (315, 513633), (547, 295785), (939, 172305), (945, 171211), (1565, 103383), (1641, 98595), (2191, 73845), (2735, 59157), (2817, 57435), (3829, 42255), (4695, 34461), (4923, 32865), (6573, 24615), (8205, 19719), (8451, 19145), (10955, 14769), (11487, 14085)]