1355859

素因数分解:

$3^4\times {\mathrm{19}}^1\times {\mathrm{881}}^1$

素因数の和:912

約数の個数: 20

約数和(自身を含む): 2134440

約数和(自身を除く): 778581

約数列:

[1, 3, 9, 19, 27, 57, 81, 171, 513, 881, 1539, 2643, 7929, 16739, 23787, 50217, 71361, 150651, 451953, 1355859]

約数ペア:

[(1, 1355859), (3, 451953), (9, 150651), (19, 71361), (27, 50217), (57, 23787), (81, 16739), (171, 7929), (513, 2643), (881, 1539)]