16662639

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{41761}}^1$

素因数の和:41790

約数の個数: 16

約数和(自身を含む): 26727680

約数和(自身を除く): 10065041

約数列:

[1, 3, 7, 19, 21, 57, 133, 399, 41761, 125283, 292327, 793459, 876981, 2380377, 5554213, 16662639]

約数ペア:

[(1, 16662639), (3, 5554213), (7, 2380377), (19, 876981), (21, 793459), (57, 292327), (133, 125283), (399, 41761)]