15416961

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{38639}}^1$

素因数の和:38668

約数の個数: 16

約数和(自身を含む): 24729600

約数和(自身を除く): 9312639

約数列:

[1, 3, 7, 19, 21, 57, 133, 399, 38639, 115917, 270473, 734141, 811419, 2202423, 5138987, 15416961]

約数ペア:

[(1, 15416961), (3, 5138987), (7, 2202423), (19, 811419), (21, 734141), (57, 270473), (133, 115917), (399, 38639)]