2159367

素因数分解:

$3^1\times 7^1\times {\mathrm{31}}^2\times {\mathrm{107}}^1$

素因数の和:179

約数の個数: 24

約数和(自身を含む): 3431808

約数和(自身を除く): 1272441

約数列:

[1, 3, 7, 21, 31, 93, 107, 217, 321, 651, 749, 961, 2247, 2883, 3317, 6727, 9951, 20181, 23219, 69657, 102827, 308481, 719789, 2159367]

約数ペア:

[(1, 2159367), (3, 719789), (7, 308481), (21, 102827), (31, 69657), (93, 23219), (107, 20181), (217, 9951), (321, 6727), (651, 3317), (749, 2883), (961, 2247)]