312813459

素因数分解:

$3^2\times 7^1\times {\mathrm{29}}^1\times {\mathrm{131}}^1\times {\mathrm{1307}}^1$

素因数の和:1480

約数の個数: 48

約数和(自身を含む): 538686720

約数和(自身を除く): 225873261

約数列:

[1, 3, 7, 9, 21, 29, 63, 87, 131, 203, 261, 393, 609, 917, 1179, 1307, 1827, 2751, 3799, 3921, 8253, 9149, 11397, 11763, 26593, 27447, 34191, 37903, 79779, 82341, 113709, 171217, 239337, 265321, 341127, 513651, 795963, 1198519, 1540953, 2387889, 3595557, 4965293, 10786671, 14895879, 34757051, 44687637, 104271153, 312813459]

約数ペア:

[(1, 312813459), (3, 104271153), (7, 44687637), (9, 34757051), (21, 14895879), (29, 10786671), (63, 4965293), (87, 3595557), (131, 2387889), (203, 1540953), (261, 1198519), (393, 795963), (609, 513651), (917, 341127), (1179, 265321), (1307, 239337), (1827, 171217), (2751, 113709), (3799, 82341), (3921, 79779), (8253, 37903), (9149, 34191), (11397, 27447), (11763, 26593)]