156813909

素因数分解:

$3^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{140893}}^1$

素因数の和:140956

約数の個数: 16

約数和(自身を含む): 243464832

約数和(自身を除く): 86650923

約数列:

[1, 3, 7, 21, 53, 159, 371, 1113, 140893, 422679, 986251, 2958753, 7467329, 22401987, 52271303, 156813909]

約数ペア:

[(1, 156813909), (3, 52271303), (7, 22401987), (21, 7467329), (53, 2958753), (159, 986251), (371, 422679), (1113, 140893)]