47218689

素因数分解:

$3^2\times 7^1\times {\mathrm{223}}^1\times {\mathrm{3361}}^1$

素因数の和:3597

約数の個数: 24

約数和(自身を含む): 78321152

約数和(自身を除く): 31102463

約数列:

[1, 3, 7, 9, 21, 63, 223, 669, 1561, 2007, 3361, 4683, 10083, 14049, 23527, 30249, 70581, 211743, 749503, 2248509, 5246521, 6745527, 15739563, 47218689]

約数ペア:

[(1, 47218689), (3, 15739563), (7, 6745527), (9, 5246521), (21, 2248509), (63, 749503), (223, 211743), (669, 70581), (1561, 30249), (2007, 23527), (3361, 14049), (4683, 10083)]