1281669129

素因数分解:

$3^3\times {\mathrm{13}}^2\times {\mathrm{280883}}^1$

素因数の和:280918

約数の個数: 24

約数和(自身を含む): 2056070880

約数和(自身を除く): 774401751

約数列:

[1, 3, 9, 13, 27, 39, 117, 169, 351, 507, 1521, 4563, 280883, 842649, 2527947, 3651479, 7583841, 10954437, 32863311, 47469227, 98589933, 142407681, 427223043, 1281669129]

約数ペア:

[(1, 1281669129), (3, 427223043), (9, 142407681), (13, 98589933), (27, 47469227), (39, 32863311), (117, 10954437), (169, 7583841), (351, 3651479), (507, 2527947), (1521, 842649), (4563, 280883)]