13931757

素因数分解:

$3^4\times 7^1\times {\mathrm{24571}}^1$

素因数の和:24590

約数の個数: 20

約数和(自身を含む): 23785696

約数和(自身を除く): 9853939

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 567, 24571, 73713, 171997, 221139, 515991, 663417, 1547973, 1990251, 4643919, 13931757]

約数ペア:

[(1, 13931757), (3, 4643919), (7, 1990251), (9, 1547973), (21, 663417), (27, 515991), (63, 221139), (81, 171997), (189, 73713), (567, 24571)]