28306341

素因数分解:

$3^7\times 7^1\times {\mathrm{43}}^2$

素因数の和:114

約数の個数: 48

約数和(自身を含む): 49672320

約数和(自身を除く): 21365979

約数列:

[1, 3, 7, 9, 21, 27, 43, 63, 81, 129, 189, 243, 301, 387, 567, 729, 903, 1161, 1701, 1849, 2187, 2709, 3483, 5103, 5547, 8127, 10449, 12943, 15309, 16641, 24381, 31347, 38829, 49923, 73143, 94041, 116487, 149769, 219429, 349461, 449307, 658287, 1048383, 1347921, 3145149, 4043763, 9435447, 28306341]

約数ペア:

[(1, 28306341), (3, 9435447), (7, 4043763), (9, 3145149), (21, 1347921), (27, 1048383), (43, 658287), (63, 449307), (81, 349461), (129, 219429), (189, 149769), (243, 116487), (301, 94041), (387, 73143), (567, 49923), (729, 38829), (903, 31347), (1161, 24381), (1701, 16641), (1849, 15309), (2187, 12943), (2709, 10449), (3483, 8127), (5103, 5547)]