212765211

素因数分解:

$3^6\times {\mathrm{19}}^1\times {\mathrm{15361}}^1$

素因数の和:15398

約数の個数: 28

約数和(自身を含む): 335813320

約数和(自身を除く): 123048109

約数列:

[1, 3, 9, 19, 27, 57, 81, 171, 243, 513, 729, 1539, 4617, 13851, 15361, 46083, 138249, 291859, 414747, 875577, 1244241, 2626731, 3732723, 7880193, 11198169, 23640579, 70921737, 212765211]

約数ペア:

[(1, 212765211), (3, 70921737), (9, 23640579), (19, 11198169), (27, 7880193), (57, 3732723), (81, 2626731), (171, 1244241), (243, 875577), (513, 414747), (729, 291859), (1539, 138249), (4617, 46083), (13851, 15361)]