16890945

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{66239}}^1$

素因数の和:66264

約数の個数: 16

約数和(自身を含む): 28615680

約数和(自身を除く): 11724735

約数列:

[1, 3, 5, 15, 17, 51, 85, 255, 66239, 198717, 331195, 993585, 1126063, 3378189, 5630315, 16890945]

約数ペア:

[(1, 16890945), (3, 5630315), (5, 3378189), (15, 1126063), (17, 993585), (51, 331195), (85, 198717), (255, 66239)]