27820401

素因数分解:

$3^1\times 7^1\times {\mathrm{839}}^1\times {\mathrm{1579}}^1$

素因数の和:2428

約数の個数: 16

約数和(自身を含む): 42470400

約数和(自身を除く): 14649999

約数列:

[1, 3, 7, 21, 839, 1579, 2517, 4737, 5873, 11053, 17619, 33159, 1324781, 3974343, 9273467, 27820401]

約数ペア:

[(1, 27820401), (3, 9273467), (7, 3974343), (21, 1324781), (839, 33159), (1579, 17619), (2517, 11053), (4737, 5873)]