13988991

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{6991}}^1$

素因数の和:7046

約数の個数: 16

約数和(自身を含む): 20136960

約数和(自身を除く): 6147969

約数列:

[1, 3, 23, 29, 69, 87, 667, 2001, 6991, 20973, 160793, 202739, 482379, 608217, 4662997, 13988991]

約数ペア:

[(1, 13988991), (3, 4662997), (23, 608217), (29, 482379), (69, 202739), (87, 160793), (667, 20973), (2001, 6991)]