16991769

素因数分解:

$3^1\times {\mathrm{37}}^1\times {\mathrm{47}}^1\times {\mathrm{3257}}^1$

素因数の和:3344

約数の個数: 16

約数和(自身を含む): 23770368

約数和(自身を除く): 6778599

約数列:

[1, 3, 37, 47, 111, 141, 1739, 3257, 5217, 9771, 120509, 153079, 361527, 459237, 5663923, 16991769]

約数ペア:

[(1, 16991769), (3, 5663923), (37, 459237), (47, 361527), (111, 153079), (141, 120509), (1739, 9771), (3257, 5217)]