305745

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{109}}^1$

素因数の和:145

約数の個数: 32

約数和(自身を含む): 570240

約数和(自身を除く): 264495

約数列:

[1, 3, 5, 11, 15, 17, 33, 51, 55, 85, 109, 165, 187, 255, 327, 545, 561, 935, 1199, 1635, 1853, 2805, 3597, 5559, 5995, 9265, 17985, 20383, 27795, 61149, 101915, 305745]

約数ペア:

[(1, 305745), (3, 101915), (5, 61149), (11, 27795), (15, 20383), (17, 17985), (33, 9265), (51, 5995), (55, 5559), (85, 3597), (109, 2805), (165, 1853), (187, 1635), (255, 1199), (327, 935), (545, 561)]