290515653

素因数分解:

$3^4\times {\mathrm{293}}^1\times {\mathrm{12241}}^1$

素因数の和:12546

約数の個数: 20

約数和(自身を含む): 435496908

約数和(自身を除く): 144981255

約数列:

[1, 3, 9, 27, 81, 293, 879, 2637, 7911, 12241, 23733, 36723, 110169, 330507, 991521, 3586613, 10759839, 32279517, 96838551, 290515653]

約数ペア:

[(1, 290515653), (3, 96838551), (9, 32279517), (27, 10759839), (81, 3586613), (293, 991521), (879, 330507), (2637, 110169), (7911, 36723), (12241, 23733)]