138019059

素因数分解:

$3^4\times {\mathrm{19}}^1\times {\mathrm{89681}}^1$

素因数の和:89712

約数の個数: 20

約数和(自身を含む): 217030440

約数和(自身を除く): 79011381

約数列:

[1, 3, 9, 19, 27, 57, 81, 171, 513, 1539, 89681, 269043, 807129, 1703939, 2421387, 5111817, 7264161, 15335451, 46006353, 138019059]

約数ペア:

[(1, 138019059), (3, 46006353), (9, 15335451), (19, 7264161), (27, 5111817), (57, 2421387), (81, 1703939), (171, 807129), (513, 269043), (1539, 89681)]