47571921

素因数分解:

$3^3\times {\mathrm{223}}^1\times {\mathrm{7901}}^1$

素因数の和:8133

約数の個数: 16

約数和(自身を含む): 70801920

約数和(自身を除く): 23229999

約数列:

[1, 3, 9, 27, 223, 669, 2007, 6021, 7901, 23703, 71109, 213327, 1761923, 5285769, 15857307, 47571921]

約数ペア:

[(1, 47571921), (3, 15857307), (9, 5285769), (27, 1761923), (223, 213327), (669, 71109), (2007, 23703), (6021, 7901)]