201655251

素因数分解:

$3^6\times 7^1\times {\mathrm{43}}^1\times {\mathrm{919}}^1$

素因数の和:987

約数の個数: 56

約数和(自身を含む): 353957120

約数和(自身を除く): 152301869

約数列:

[1, 3, 7, 9, 21, 27, 43, 63, 81, 129, 189, 243, 301, 387, 567, 729, 903, 919, 1161, 1701, 2709, 2757, 3483, 5103, 6433, 8127, 8271, 10449, 19299, 24381, 24813, 31347, 39517, 57897, 73143, 74439, 118551, 173691, 219429, 223317, 276619, 355653, 521073, 669951, 829857, 1066959, 1563219, 2489571, 3200877, 4689657, 7468713, 9602631, 22406139, 28807893, 67218417, 201655251]

約数ペア:

[(1, 201655251), (3, 67218417), (7, 28807893), (9, 22406139), (21, 9602631), (27, 7468713), (43, 4689657), (63, 3200877), (81, 2489571), (129, 1563219), (189, 1066959), (243, 829857), (301, 669951), (387, 521073), (567, 355653), (729, 276619), (903, 223317), (919, 219429), (1161, 173691), (1701, 118551), (2709, 74439), (2757, 73143), (3483, 57897), (5103, 39517), (6433, 31347), (8127, 24813), (8271, 24381), (10449, 19299)]