81053609

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{691}}^1\times {\mathrm{1289}}^1$

素因数の和:2000

約数の個数: 16

約数和(自身を含む): 99980160

約数和(自身を除く): 18926551

約数列:

[1, 7, 13, 91, 691, 1289, 4837, 8983, 9023, 16757, 62881, 117299, 890699, 6234893, 11579087, 81053609]

約数ペア:

[(1, 81053609), (7, 11579087), (13, 6234893), (91, 890699), (691, 117299), (1289, 62881), (4837, 16757), (8983, 9023)]