16789923

素因数分解:

$3^4\times {\mathrm{53}}^1\times {\mathrm{3911}}^1$

素因数の和:3976

約数の個数: 20

約数和(自身を含む): 25561008

約数和(自身を除く): 8771085

約数列:

[1, 3, 9, 27, 53, 81, 159, 477, 1431, 3911, 4293, 11733, 35199, 105597, 207283, 316791, 621849, 1865547, 5596641, 16789923]

約数ペア:

[(1, 16789923), (3, 5596641), (9, 1865547), (27, 621849), (53, 316791), (81, 207283), (159, 105597), (477, 35199), (1431, 11733), (3911, 4293)]