1275831

素因数分解:

$3^4\times {\mathrm{19}}^1\times {\mathrm{829}}^1$

素因数の和:860

約数の個数: 20

約数和(自身を含む): 2008600

約数和(自身を除く): 732769

約数列:

[1, 3, 9, 19, 27, 57, 81, 171, 513, 829, 1539, 2487, 7461, 15751, 22383, 47253, 67149, 141759, 425277, 1275831]

約数ペア:

[(1, 1275831), (3, 425277), (9, 141759), (19, 67149), (27, 47253), (57, 22383), (81, 15751), (171, 7461), (513, 2487), (829, 1539)]