16780965

素因数分解:

$3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{26017}}^1$

素因数の和:26068

約数の個数: 16

約数和(自身を含む): 27475008

約数和(自身を除く): 10694043

約数列:

[1, 3, 5, 15, 43, 129, 215, 645, 26017, 78051, 130085, 390255, 1118731, 3356193, 5593655, 16780965]

約数ペア:

[(1, 16780965), (3, 5593655), (5, 3356193), (15, 1118731), (43, 390255), (129, 130085), (215, 78051), (645, 26017)]