1561923

素因数分解:

$3^4\times {\mathrm{11}}^1\times {\mathrm{1753}}^1$

素因数の和:1776

約数の個数: 20

約数和(自身を含む): 2546808

約数和(自身を除く): 984885

約数列:

[1, 3, 9, 11, 27, 33, 81, 99, 297, 891, 1753, 5259, 15777, 19283, 47331, 57849, 141993, 173547, 520641, 1561923]

約数ペア:

[(1, 1561923), (3, 520641), (9, 173547), (11, 141993), (27, 57849), (33, 47331), (81, 19283), (99, 15777), (297, 5259), (891, 1753)]