17977059

素因数分解:

$3^4\times {\mathrm{19}}^1\times {\mathrm{11681}}^1$

素因数の和:11712

約数の個数: 20

約数和(自身を含む): 28270440

約数和(自身を除く): 10293381

約数列:

[1, 3, 9, 19, 27, 57, 81, 171, 513, 1539, 11681, 35043, 105129, 221939, 315387, 665817, 946161, 1997451, 5992353, 17977059]

約数ペア:

[(1, 17977059), (3, 5992353), (9, 1997451), (19, 946161), (27, 665817), (57, 315387), (81, 221939), (171, 105129), (513, 35043), (1539, 11681)]