7275987

素因数分解:

$3^4\times {\mathrm{43}}^1\times {\mathrm{2089}}^1$

素因数の和:2144

約数の個数: 20

約数和(自身を含む): 11127160

約数和(自身を除く): 3851173

約数列:

[1, 3, 9, 27, 43, 81, 129, 387, 1161, 2089, 3483, 6267, 18801, 56403, 89827, 169209, 269481, 808443, 2425329, 7275987]

約数ペア:

[(1, 7275987), (3, 2425329), (9, 808443), (27, 269481), (43, 169209), (81, 89827), (129, 56403), (387, 18801), (1161, 6267), (2089, 3483)]