561815811

素因数分解:

$3^3\times {\mathrm{29}}^1\times {\mathrm{73}}^1\times {\mathrm{9829}}^1$

素因数の和:9940

約数の個数: 32

約数和(自身を含む): 872904000

約数和(自身を除く): 311088189

約数列:

[1, 3, 9, 27, 29, 73, 87, 219, 261, 657, 783, 1971, 2117, 6351, 9829, 19053, 29487, 57159, 88461, 265383, 285041, 717517, 855123, 2152551, 2565369, 6457653, 7696107, 19372959, 20807993, 62423979, 187271937, 561815811]

約数ペア:

[(1, 561815811), (3, 187271937), (9, 62423979), (27, 20807993), (29, 19372959), (73, 7696107), (87, 6457653), (219, 2565369), (261, 2152551), (657, 855123), (783, 717517), (1971, 285041), (2117, 265383), (6351, 88461), (9829, 57159), (19053, 29487)]