16620903

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{47353}}^1$

素因数の和:47375

約数の個数: 16

約数和(自身を含む): 26518240

約数和(自身を除く): 9897337

約数列:

[1, 3, 9, 13, 27, 39, 117, 351, 47353, 142059, 426177, 615589, 1278531, 1846767, 5540301, 16620903]

約数ペア:

[(1, 16620903), (3, 5540301), (9, 1846767), (13, 1278531), (27, 615589), (39, 426177), (117, 142059), (351, 47353)]