51442839

素因数分解:

$3^2\times 7^1\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{761}}^1$

素因数の和:840

約数の個数: 48

約数和(自身を含む): 90342720

約数和(自身を除く): 38899881

約数列:

[1, 3, 7, 9, 21, 29, 37, 63, 87, 111, 203, 259, 261, 333, 609, 761, 777, 1073, 1827, 2283, 2331, 3219, 5327, 6849, 7511, 9657, 15981, 22069, 22533, 28157, 47943, 66207, 67599, 84471, 154483, 197099, 198621, 253413, 463449, 591297, 816553, 1390347, 1773891, 2449659, 5715871, 7348977, 17147613, 51442839]

約数ペア:

[(1, 51442839), (3, 17147613), (7, 7348977), (9, 5715871), (21, 2449659), (29, 1773891), (37, 1390347), (63, 816553), (87, 591297), (111, 463449), (203, 253413), (259, 198621), (261, 197099), (333, 154483), (609, 84471), (761, 67599), (777, 66207), (1073, 47943), (1827, 28157), (2283, 22533), (2331, 22069), (3219, 15981), (5327, 9657), (6849, 7511)]