13972721

素因数分解:

$7^1\times {\mathrm{43}}^1\times {\mathrm{61}}^1\times {\mathrm{761}}^1$

素因数の和:872

約数の個数: 16

約数和(自身を含む): 16629888

約数和(自身を除く): 2657167

約数列:

[1, 7, 43, 61, 301, 427, 761, 2623, 5327, 18361, 32723, 46421, 229061, 324947, 1996103, 13972721]

約数ペア:

[(1, 13972721), (7, 1996103), (43, 324947), (61, 229061), (301, 46421), (427, 32723), (761, 18361), (2623, 5327)]