251018469

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{107}}^1\times {\mathrm{20051}}^1$

素因数の和:20177

約数の個数: 24

約数和(自身を含む): 394142112

約数和(自身を除く): 143123643

約数列:

[1, 3, 9, 13, 39, 107, 117, 321, 963, 1391, 4173, 12519, 20051, 60153, 180459, 260663, 781989, 2145457, 2345967, 6436371, 19309113, 27890941, 83672823, 251018469]

約数ペア:

[(1, 251018469), (3, 83672823), (9, 27890941), (13, 19309113), (39, 6436371), (107, 2345967), (117, 2145457), (321, 781989), (963, 260663), (1391, 180459), (4173, 60153), (12519, 20051)]