51939711

素因数分解:

$3^4\times {\mathrm{19}}^1\times {\mathrm{33749}}^1$

素因数の和:33780

約数の個数: 20

約数和(自身を含む): 81675000

約数和(自身を除く): 29735289

約数列:

[1, 3, 9, 19, 27, 57, 81, 171, 513, 1539, 33749, 101247, 303741, 641231, 911223, 1923693, 2733669, 5771079, 17313237, 51939711]

約数ペア:

[(1, 51939711), (3, 17313237), (9, 5771079), (19, 2733669), (27, 1923693), (57, 911223), (81, 641231), (171, 303741), (513, 101247), (1539, 33749)]