81830749

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{81749}}^1$

素因数の和:81780

約数の個数: 16

約数和(自身を含む): 109872000

約数和(自身を除く): 28041251

約数列:

[1, 7, 11, 13, 77, 91, 143, 1001, 81749, 572243, 899239, 1062737, 6294673, 7439159, 11690107, 81830749]

約数ペア:

[(1, 81830749), (7, 11690107), (11, 7439159), (13, 6294673), (77, 1062737), (91, 899239), (143, 572243), (1001, 81749)]