2947989

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{157}}^1\times {\mathrm{569}}^1$

素因数の和:740

約数の個数: 16

約数和(自身を含む): 4322880

約数和(自身を除く): 1374891

約数列:

[1, 3, 11, 33, 157, 471, 569, 1707, 1727, 5181, 6259, 18777, 89333, 267999, 982663, 2947989]

約数ペア:

[(1, 2947989), (3, 982663), (11, 267999), (33, 89333), (157, 18777), (471, 6259), (569, 5181), (1707, 1727)]