1247213727

素因数分解:

$3^3\times {\mathrm{41}}^1\times {\mathrm{1126661}}^1$

素因数の和:1126711

約数の個数: 16

約数和(自身を含む): 1892792160

約数和(自身を除く): 645578433

約数列:

[1, 3, 9, 27, 41, 123, 369, 1107, 1126661, 3379983, 10139949, 30419847, 46193101, 138579303, 415737909, 1247213727]

約数ペア:

[(1, 1247213727), (3, 415737909), (9, 138579303), (27, 46193101), (41, 30419847), (123, 10139949), (369, 3379983), (1107, 1126661)]