13778121

素因数分解:

$3^1\times 7^1\times {\mathrm{509}}^1\times {\mathrm{1289}}^1$

素因数の和:1808

約数の個数: 16

約数和(自身を含む): 21052800

約数和(自身を除く): 7274679

約数列:

[1, 3, 7, 21, 509, 1289, 1527, 3563, 3867, 9023, 10689, 27069, 656101, 1968303, 4592707, 13778121]

約数ペア:

[(1, 13778121), (3, 4592707), (7, 1968303), (21, 656101), (509, 27069), (1289, 10689), (1527, 9023), (3563, 3867)]