649260981

素因数分解:

$3^3\times {\mathrm{1217}}^1\times {\mathrm{19759}}^1$

素因数の和:20985

約数の個数: 16

約数和(自身を含む): 962707200

約数和(自身を除く): 313446219

約数列:

[1, 3, 9, 27, 1217, 3651, 10953, 19759, 32859, 59277, 177831, 533493, 24046703, 72140109, 216420327, 649260981]

約数ペア:

[(1, 649260981), (3, 216420327), (9, 72140109), (27, 24046703), (1217, 533493), (3651, 177831), (10953, 59277), (19759, 32859)]