2564937981

素因数分解:

$3^4\times {\mathrm{107}}^1\times {\mathrm{295943}}^1$

素因数の和:296062

約数の個数: 20

約数和(自身を含む): 3867396192

約数和(自身を除く): 1302458211

約数列:

[1, 3, 9, 27, 81, 107, 321, 963, 2889, 8667, 295943, 887829, 2663487, 7990461, 23971383, 31665901, 94997703, 284993109, 854979327, 2564937981]

約数ペア:

[(1, 2564937981), (3, 854979327), (9, 284993109), (27, 94997703), (81, 31665901), (107, 23971383), (321, 7990461), (963, 2663487), (2889, 887829), (8667, 295943)]