16219521

素因数分解:

$3^6\times {\mathrm{19}}^1\times {\mathrm{1171}}^1$

素因数の和:1208

約数の個数: 28

約数和(自身を含む): 25619920

約数和(自身を除く): 9400399

約数列:

[1, 3, 9, 19, 27, 57, 81, 171, 243, 513, 729, 1171, 1539, 3513, 4617, 10539, 13851, 22249, 31617, 66747, 94851, 200241, 284553, 600723, 853659, 1802169, 5406507, 16219521]

約数ペア:

[(1, 16219521), (3, 5406507), (9, 1802169), (19, 853659), (27, 600723), (57, 284553), (81, 200241), (171, 94851), (243, 66747), (513, 31617), (729, 22249), (1171, 13851), (1539, 10539), (3513, 4617)]