81249231

素因数分解:

$3^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{89977}}^1$

素因数の和:90030

約数の個数: 16

約数和(自身を含む): 126689024

約数和(自身を除く): 45439793

約数列:

[1, 3, 7, 21, 43, 129, 301, 903, 89977, 269931, 629839, 1889517, 3869011, 11607033, 27083077, 81249231]

約数ペア:

[(1, 81249231), (3, 27083077), (7, 11607033), (21, 3869011), (43, 1889517), (129, 629839), (301, 269931), (903, 89977)]