408047247

素因数分解:

$3^3\times {\mathrm{691}}^1\times {\mathrm{21871}}^1$

素因数の和:22571

約数の個数: 16

約数和(自身を含む): 605416960

約数和(自身を除く): 197369713

約数列:

[1, 3, 9, 27, 691, 2073, 6219, 18657, 21871, 65613, 196839, 590517, 15112861, 45338583, 136015749, 408047247]

約数ペア:

[(1, 408047247), (3, 136015749), (9, 45338583), (27, 15112861), (691, 590517), (2073, 196839), (6219, 65613), (18657, 21871)]