9279991

素因数分解:

$7^1\times {\mathrm{61}}^1\times {\mathrm{103}}^1\times {\mathrm{211}}^1$

素因数の和:382

約数の個数: 16

約数和(自身を含む): 10935808

約数和(自身を除く): 1655817

約数列:

[1, 7, 61, 103, 211, 427, 721, 1477, 6283, 12871, 21733, 43981, 90097, 152131, 1325713, 9279991]

約数ペア:

[(1, 9279991), (7, 1325713), (61, 152131), (103, 90097), (211, 43981), (427, 21733), (721, 12871), (1477, 6283)]