1628871003

素因数分解:

$3^2\times {\mathrm{43}}^2\times {\mathrm{97883}}^1$

素因数の和:97975

約数の個数: 18

約数和(自身を含む): 2408827356

約数和(自身を除く): 779956353

約数列:

[1, 3, 9, 43, 129, 387, 1849, 5547, 16641, 97883, 293649, 880947, 4208969, 12626907, 37880721, 180985667, 542957001, 1628871003]

約数ペア:

[(1, 1628871003), (3, 542957001), (9, 180985667), (43, 37880721), (129, 12626907), (387, 4208969), (1849, 880947), (5547, 293649), (16641, 97883)]