620914491

素因数分解:

$3^4\times {\mathrm{523}}^1\times {\mathrm{14657}}^1$

素因数の和:15192

約数の個数: 20

約数和(自身を含む): 929375832

約数和(自身を除く): 308461341

約数列:

[1, 3, 9, 27, 81, 523, 1569, 4707, 14121, 14657, 42363, 43971, 131913, 395739, 1187217, 7665611, 22996833, 68990499, 206971497, 620914491]

約数ペア:

[(1, 620914491), (3, 206971497), (9, 68990499), (27, 22996833), (81, 7665611), (523, 1187217), (1569, 395739), (4707, 131913), (14121, 43971), (14657, 42363)]