29891961

素因数分解:

$3^2\times {\mathrm{11}}^2\times {\mathrm{27449}}^1$

素因数の和:27477

約数の個数: 18

約数和(自身を含む): 47461050

約数和(自身を除く): 17569089

約数列:

[1, 3, 9, 11, 33, 99, 121, 363, 1089, 27449, 82347, 247041, 301939, 905817, 2717451, 3321329, 9963987, 29891961]

約数ペア:

[(1, 29891961), (3, 9963987), (9, 3321329), (11, 2717451), (33, 905817), (99, 301939), (121, 247041), (363, 82347), (1089, 27449)]