31701861

素因数分解:

$3^4\times {\mathrm{19}}^1\times {\mathrm{20599}}^1$

素因数の和:20630

約数の個数: 20

約数和(自身を含む): 49852000

約数和(自身を除く): 18150139

約数列:

[1, 3, 9, 19, 27, 57, 81, 171, 513, 1539, 20599, 61797, 185391, 391381, 556173, 1174143, 1668519, 3522429, 10567287, 31701861]

約数ペア:

[(1, 31701861), (3, 10567287), (9, 3522429), (19, 1668519), (27, 1174143), (57, 556173), (81, 391381), (171, 185391), (513, 61797), (1539, 20599)]