66921239

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{877}}^1\times {\mathrm{991}}^1$

素因数の和:1886

約数の個数: 16

約数和(自身を含む): 83613696

約数和(自身を除く): 16692457

約数列:

[1, 7, 11, 77, 877, 991, 6139, 6937, 9647, 10901, 67529, 76307, 869107, 6083749, 9560177, 66921239]

約数ペア:

[(1, 66921239), (7, 9560177), (11, 6083749), (77, 869107), (877, 76307), (991, 67529), (6139, 10901), (6937, 9647)]