205991805

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{233}}^1\times {\mathrm{3467}}^1$

素因数の和:3725

約数の個数: 32

約数和(自身を含む): 350573184

約数和(自身を除く): 144581379

約数列:

[1, 3, 5, 15, 17, 51, 85, 233, 255, 699, 1165, 3467, 3495, 3961, 10401, 11883, 17335, 19805, 52005, 58939, 59415, 176817, 294695, 807811, 884085, 2423433, 4039055, 12117165, 13732787, 41198361, 68663935, 205991805]

約数ペア:

[(1, 205991805), (3, 68663935), (5, 41198361), (15, 13732787), (17, 12117165), (51, 4039055), (85, 2423433), (233, 884085), (255, 807811), (699, 294695), (1165, 176817), (3467, 59415), (3495, 58939), (3961, 52005), (10401, 19805), (11883, 17335)]