39997251

素因数分解:

$3^2\times 7^1\times {\mathrm{719}}^1\times {\mathrm{883}}^1$

素因数の和:1615

約数の個数: 24

約数和(自身を含む): 66193920

約数和(自身を除く): 26196669

約数列:

[1, 3, 7, 9, 21, 63, 719, 883, 2157, 2649, 5033, 6181, 6471, 7947, 15099, 18543, 45297, 55629, 634877, 1904631, 4444139, 5713893, 13332417, 39997251]

約数ペア:

[(1, 39997251), (3, 13332417), (7, 5713893), (9, 4444139), (21, 1904631), (63, 634877), (719, 55629), (883, 45297), (2157, 18543), (2649, 15099), (5033, 7947), (6181, 6471)]