7897407

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{19793}}^1$

素因数の和:19822

約数の個数: 16

約数和(自身を含む): 12668160

約数和(自身を除く): 4770753

約数列:

[1, 3, 7, 19, 21, 57, 133, 399, 19793, 59379, 138551, 376067, 415653, 1128201, 2632469, 7897407]

約数ペア:

[(1, 7897407), (3, 2632469), (7, 1128201), (19, 415653), (21, 376067), (57, 138551), (133, 59379), (399, 19793)]