16828821

素因数分解:

$3^2\times {\mathrm{37}}^1\times {\mathrm{97}}^1\times {\mathrm{521}}^1$

素因数の和:661

約数の個数: 24

約数和(自身を含む): 25271064

約数和(自身を除く): 8442243

約数列:

[1, 3, 9, 37, 97, 111, 291, 333, 521, 873, 1563, 3589, 4689, 10767, 19277, 32301, 50537, 57831, 151611, 173493, 454833, 1869869, 5609607, 16828821]

約数ペア:

[(1, 16828821), (3, 5609607), (9, 1869869), (37, 454833), (97, 173493), (111, 151611), (291, 57831), (333, 50537), (521, 32301), (873, 19277), (1563, 10767), (3589, 4689)]