1230489

素因数分解:

$3^2\times {\mathrm{13}}^2\times {\mathrm{809}}^1$

素因数の和:841

約数の個数: 18

約数和(自身を含む): 1926990

約数和(自身を除く): 696501

約数列:

[1, 3, 9, 13, 39, 117, 169, 507, 809, 1521, 2427, 7281, 10517, 31551, 94653, 136721, 410163, 1230489]

約数ペア:

[(1, 1230489), (3, 410163), (9, 136721), (13, 94653), (39, 31551), (117, 10517), (169, 7281), (507, 2427), (809, 1521)]