840381

素因数分解:

$3^1\times {\mathrm{37}}^1\times {\mathrm{67}}^1\times {\mathrm{113}}^1$

素因数の和:220

約数の個数: 16

約数和(自身を含む): 1178304

約数和(自身を除く): 337923

約数列:

[1, 3, 37, 67, 111, 113, 201, 339, 2479, 4181, 7437, 7571, 12543, 22713, 280127, 840381]

約数ペア:

[(1, 840381), (3, 280127), (37, 22713), (67, 12543), (111, 7571), (113, 7437), (201, 4181), (339, 2479)]