256015485

素因数分解:

$3^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{57467}}^1$

素因数の和:57495

約数の個数: 40

約数和(自身を含む): 500661216

約数和(自身を除く): 244645731

約数列:

[1, 3, 5, 9, 11, 15, 27, 33, 45, 55, 81, 99, 135, 165, 297, 405, 495, 891, 1485, 4455, 57467, 172401, 287335, 517203, 632137, 862005, 1551609, 1896411, 2586015, 3160685, 4654827, 5689233, 7758045, 9482055, 17067699, 23274135, 28446165, 51203097, 85338495, 256015485]

約数ペア:

[(1, 256015485), (3, 85338495), (5, 51203097), (9, 28446165), (11, 23274135), (15, 17067699), (27, 9482055), (33, 7758045), (45, 5689233), (55, 4654827), (81, 3160685), (99, 2586015), (135, 1896411), (165, 1551609), (297, 862005), (405, 632137), (495, 517203), (891, 287335), (1485, 172401), (4455, 57467)]