774189

素因数分解:

$3^2\times {\mathrm{13}}^2\times {\mathrm{509}}^1$

素因数の和:541

約数の個数: 18

約数和(自身を含む): 1213290

約数和(自身を除く): 439101

約数列:

[1, 3, 9, 13, 39, 117, 169, 507, 509, 1521, 1527, 4581, 6617, 19851, 59553, 86021, 258063, 774189]

約数ペア:

[(1, 774189), (3, 258063), (9, 86021), (13, 59553), (39, 19851), (117, 6617), (169, 4581), (507, 1527), (509, 1521)]