26991867

素因数分解:

$3^1\times 7^1\times {\mathrm{991}}^1\times {\mathrm{1297}}^1$

素因数の和:2298

約数の個数: 16

約数和(自身を含む): 41203712

約数和(自身を除く): 14211845

約数列:

[1, 3, 7, 21, 991, 1297, 2973, 3891, 6937, 9079, 20811, 27237, 1285327, 3855981, 8997289, 26991867]

約数ペア:

[(1, 26991867), (3, 8997289), (7, 3855981), (21, 1285327), (991, 27237), (1297, 20811), (2973, 9079), (3891, 6937)]