256957623

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{732073}}^1$

素因数の和:732095

約数の個数: 16

約数和(自身を含む): 409961440

約数和(自身を除く): 153003817

約数列:

[1, 3, 9, 13, 27, 39, 117, 351, 732073, 2196219, 6588657, 9516949, 19765971, 28550847, 85652541, 256957623]

約数ペア:

[(1, 256957623), (3, 85652541), (9, 28550847), (13, 19765971), (27, 9516949), (39, 6588657), (117, 2196219), (351, 732073)]