287335935

素因数分解:

$3^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{139}}^1\times {\mathrm{647}}^1$

素因数の和:868

約数の個数: 48

約数和(自身を含む): 509483520

約数和(自身を除く): 222147585

約数列:

[1, 3, 5, 9, 15, 45, 71, 139, 213, 355, 417, 639, 647, 695, 1065, 1251, 1941, 2085, 3195, 3235, 5823, 6255, 9705, 9869, 29115, 29607, 45937, 49345, 88821, 89933, 137811, 148035, 229685, 269799, 413433, 444105, 449665, 689055, 809397, 1348995, 2067165, 4046985, 6385243, 19155729, 31926215, 57467187, 95778645, 287335935]

約数ペア:

[(1, 287335935), (3, 95778645), (5, 57467187), (9, 31926215), (15, 19155729), (45, 6385243), (71, 4046985), (139, 2067165), (213, 1348995), (355, 809397), (417, 689055), (639, 449665), (647, 444105), (695, 413433), (1065, 269799), (1251, 229685), (1941, 148035), (2085, 137811), (3195, 89933), (3235, 88821), (5823, 49345), (6255, 45937), (9705, 29607), (9869, 29115)]