54321657

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{20789}}^1$

素因数の和:20872

約数の個数: 16

約数和(自身を含む): 79168320

約数和(自身を除く): 24846663

約数列:

[1, 3, 13, 39, 67, 201, 871, 2613, 20789, 62367, 270257, 810771, 1392863, 4178589, 18107219, 54321657]

約数ペア:

[(1, 54321657), (3, 18107219), (13, 4178589), (39, 1392863), (67, 810771), (201, 270257), (871, 62367), (2613, 20789)]