331118361

素因数分解:

$3^7\times 7^1\times {\mathrm{43}}^1\times {\mathrm{503}}^1$

素因数の和:574

約数の個数: 64

約数和(自身を含む): 581898240

約数和(自身を除く): 250779879

約数列:

[1, 3, 7, 9, 21, 27, 43, 63, 81, 129, 189, 243, 301, 387, 503, 567, 729, 903, 1161, 1509, 1701, 2187, 2709, 3483, 3521, 4527, 5103, 8127, 10449, 10563, 13581, 15309, 21629, 24381, 31347, 31689, 40743, 64887, 73143, 94041, 95067, 122229, 151403, 194661, 219429, 285201, 366687, 454209, 583983, 658287, 855603, 1100061, 1362627, 1751949, 2566809, 4087881, 5255847, 7700427, 12263643, 15767541, 36790929, 47302623, 110372787, 331118361]

約数ペア:

[(1, 331118361), (3, 110372787), (7, 47302623), (9, 36790929), (21, 15767541), (27, 12263643), (43, 7700427), (63, 5255847), (81, 4087881), (129, 2566809), (189, 1751949), (243, 1362627), (301, 1100061), (387, 855603), (503, 658287), (567, 583983), (729, 454209), (903, 366687), (1161, 285201), (1509, 219429), (1701, 194661), (2187, 151403), (2709, 122229), (3483, 95067), (3521, 94041), (4527, 73143), (5103, 64887), (8127, 40743), (10449, 31689), (10563, 31347), (13581, 24381), (15309, 21629)]