619872021

素因数分解:

$3^4\times {\mathrm{1621}}^1\times {\mathrm{4721}}^1$

素因数の和:6354

約数の個数: 20

約数和(自身を含む): 926749164

約数和(自身を除く): 306877143

約数列:

[1, 3, 9, 27, 81, 1621, 4721, 4863, 14163, 14589, 42489, 43767, 127467, 131301, 382401, 7652741, 22958223, 68874669, 206624007, 619872021]

約数ペア:

[(1, 619872021), (3, 206624007), (9, 68874669), (27, 22958223), (81, 7652741), (1621, 382401), (4721, 131301), (4863, 127467), (14163, 43767), (14589, 42489)]