247120218

素因数分解:

$2^1\times 3^2\times {\mathrm{13728901}}^1$

素因数の和:13728909

約数の個数: 12

約数和(自身を含む): 535427178

約数和(自身を除く): 288306960

約数列:

[1, 2, 3, 6, 9, 18, 13728901, 27457802, 41186703, 82373406, 123560109, 247120218]

約数ペア:

[(1, 247120218), (2, 123560109), (3, 82373406), (6, 41186703), (9, 27457802), (18, 13728901)]