725087997

素因数分解:

$3^3\times {\mathrm{71}}^1\times {\mathrm{378241}}^1$

素因数の和:378321

約数の個数: 16

約数和(自身を含む): 1089336960

約数和(自身を除く): 364248963

約数列:

[1, 3, 9, 27, 71, 213, 639, 1917, 378241, 1134723, 3404169, 10212507, 26855111, 80565333, 241695999, 725087997]

約数ペア:

[(1, 725087997), (3, 241695999), (9, 80565333), (27, 26855111), (71, 10212507), (213, 3404169), (639, 1134723), (1917, 378241)]