6997991

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{6991}}^1$

素因数の和:7022

約数の個数: 16

約数和(自身を含む): 9397248

約数和(自身を除く): 2399257

約数列:

[1, 7, 11, 13, 77, 91, 143, 1001, 6991, 48937, 76901, 90883, 538307, 636181, 999713, 6997991]

約数ペア:

[(1, 6997991), (7, 999713), (11, 636181), (13, 538307), (77, 90883), (91, 76901), (143, 48937), (1001, 6991)]