657519039

素因数分解:

$3^4\times {\mathrm{67}}^1\times {\mathrm{121157}}^1$

素因数の和:121236

約数の個数: 20

約数和(自身を含む): 996888024

約数和(自身を除く): 339368985

約数列:

[1, 3, 9, 27, 67, 81, 201, 603, 1809, 5427, 121157, 363471, 1090413, 3271239, 8117519, 9813717, 24352557, 73057671, 219173013, 657519039]

約数ペア:

[(1, 657519039), (3, 219173013), (9, 73057671), (27, 24352557), (67, 9813717), (81, 8117519), (201, 3271239), (603, 1090413), (1809, 363471), (5427, 121157)]