31055157

素因数分解:

$3^5\times 7^1\times {\mathrm{18257}}^1$

素因数の和:18279

約数の個数: 24

約数和(自身を含む): 53167296

約数和(自身を除く): 22112139

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 243, 567, 1701, 18257, 54771, 127799, 164313, 383397, 492939, 1150191, 1478817, 3450573, 4436451, 10351719, 31055157]

約数ペア:

[(1, 31055157), (3, 10351719), (7, 4436451), (9, 3450573), (21, 1478817), (27, 1150191), (63, 492939), (81, 383397), (189, 164313), (243, 127799), (567, 54771), (1701, 18257)]