81902401

素因数分解:

$7^1\times {\mathrm{43}}^1\times {\mathrm{107}}^1\times {\mathrm{2543}}^1$

素因数の和:2700

約数の個数: 16

約数和(自身を含む): 96712704

約数和(自身を除く): 14810303

約数列:

[1, 7, 43, 107, 301, 749, 2543, 4601, 17801, 32207, 109349, 272101, 765443, 1904707, 11700343, 81902401]

約数ペア:

[(1, 81902401), (7, 11700343), (43, 1904707), (107, 765443), (301, 272101), (749, 109349), (2543, 32207), (4601, 17801)]