20171102721

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{87320791}}^1$

素因数の和:87320812

約数の個数: 16

約数和(自身を含む): 33531184128

約数和(自身を除く): 13360081407

約数列:

[1, 3, 7, 11, 21, 33, 77, 231, 87320791, 261962373, 611245537, 960528701, 1833736611, 2881586103, 6723700907, 20171102721]

約数ペア:

[(1, 20171102721), (3, 6723700907), (7, 2881586103), (11, 1833736611), (21, 960528701), (33, 611245537), (77, 261962373), (231, 87320791)]