2145143

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{2143}}^1$

素因数の和:2174

約数の個数: 16

約数和(自身を含む): 2881536

約数和(自身を除く): 736393

約数列:

[1, 7, 11, 13, 77, 91, 143, 1001, 2143, 15001, 23573, 27859, 165011, 195013, 306449, 2145143]

約数ペア:

[(1, 2145143), (7, 306449), (11, 195013), (13, 165011), (77, 27859), (91, 23573), (143, 15001), (1001, 2143)]