29991039

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{10831}}^1$

素因数の和:10918

約数の個数: 16

約数和(自身を含む): 43674624

約数和(自身を除く): 13683585

約数列:

[1, 3, 13, 39, 71, 213, 923, 2769, 10831, 32493, 140803, 422409, 769001, 2307003, 9997013, 29991039]

約数ペア:

[(1, 29991039), (3, 9997013), (13, 2307003), (39, 769001), (71, 422409), (213, 140803), (923, 32493), (2769, 10831)]