644921397

素因数分解:

$3^2\times {\mathrm{113}}^1\times {\mathrm{634141}}^1$

素因数の和:634260

約数の個数: 12

約数和(自身を含む): 939798444

約数和(自身を除く): 294877047

約数列:

[1, 3, 9, 113, 339, 1017, 634141, 1902423, 5707269, 71657933, 214973799, 644921397]

約数ペア:

[(1, 644921397), (3, 214973799), (9, 71657933), (113, 5707269), (339, 1902423), (1017, 634141)]