27808809

素因数分解:

$3^1\times 7^1\times {\mathrm{127}}^1\times {\mathrm{10427}}^1$

素因数の和:10564

約数の個数: 16

約数和(自身を含む): 42713088

約数和(自身を除く): 14904279

約数列:

[1, 3, 7, 21, 127, 381, 889, 2667, 10427, 31281, 72989, 218967, 1324229, 3972687, 9269603, 27808809]

約数ペア:

[(1, 27808809), (3, 9269603), (7, 3972687), (21, 1324229), (127, 218967), (381, 72989), (889, 31281), (2667, 10427)]