2147817

素因数分解:

$3^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{769}}^1$

素因数の和:805

約数の個数: 24

約数和(自身を含む): 3511200

約数和(自身を除く): 1363383

約数列:

[1, 3, 7, 19, 21, 49, 57, 133, 147, 399, 769, 931, 2307, 2793, 5383, 14611, 16149, 37681, 43833, 102277, 113043, 306831, 715939, 2147817]

約数ペア:

[(1, 2147817), (3, 715939), (7, 306831), (19, 113043), (21, 102277), (49, 43833), (57, 37681), (133, 16149), (147, 14611), (399, 5383), (769, 2793), (931, 2307)]