47890311

素因数分解:

$3^1\times 7^1\times {\mathrm{107}}^1\times {\mathrm{21313}}^1$

素因数の和:21430

約数の個数: 16

約数和(自身を含む): 73661184

約数和(自身を除く): 25770873

約数列:

[1, 3, 7, 21, 107, 321, 749, 2247, 21313, 63939, 149191, 447573, 2280491, 6841473, 15963437, 47890311]

約数ペア:

[(1, 47890311), (3, 15963437), (7, 6841473), (21, 2280491), (107, 447573), (321, 149191), (749, 63939), (2247, 21313)]