187751109

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{9421}}^1$

素因数の和:9517

約数の個数: 32

約数和(自身を含む): 312358144

約数和(自身を除く): 124607035

約数列:

[1, 3, 7, 13, 21, 39, 73, 91, 219, 273, 511, 949, 1533, 2847, 6643, 9421, 19929, 28263, 65947, 122473, 197841, 367419, 687733, 857311, 2063199, 2571933, 4814131, 8940529, 14442393, 26821587, 62583703, 187751109]

約数ペア:

[(1, 187751109), (3, 62583703), (7, 26821587), (13, 14442393), (21, 8940529), (39, 4814131), (73, 2571933), (91, 2063199), (219, 857311), (273, 687733), (511, 367419), (949, 197841), (1533, 122473), (2847, 65947), (6643, 28263), (9421, 19929)]