28439211

素因数分解:

$3^1\times {\mathrm{43}}^1\times {\mathrm{449}}^1\times {\mathrm{491}}^1$

素因数の和:986

約数の個数: 16

約数和(自身を含む): 38966400

約数和(自身を除く): 10527189

約数列:

[1, 3, 43, 129, 449, 491, 1347, 1473, 19307, 21113, 57921, 63339, 220459, 661377, 9479737, 28439211]

約数ペア:

[(1, 28439211), (3, 9479737), (43, 661377), (129, 220459), (449, 63339), (491, 57921), (1347, 21113), (1473, 19307)]