13720749

素因数分解:

$3^1\times 7^1\times {\mathrm{101}}^1\times {\mathrm{6469}}^1$

素因数の和:6580

約数の個数: 16

約数和(自身を含む): 21118080

約数和(自身を除く): 7397331

約数列:

[1, 3, 7, 21, 101, 303, 707, 2121, 6469, 19407, 45283, 135849, 653369, 1960107, 4573583, 13720749]

約数ペア:

[(1, 13720749), (3, 4573583), (7, 1960107), (21, 653369), (101, 135849), (303, 45283), (707, 19407), (2121, 6469)]