56561517

素因数分解:

$3^3\times {\mathrm{109}}^1\times {\mathrm{19219}}^1$

素因数の和:19337

約数の個数: 16

約数和(自身を含む): 84568000

約数和(自身を除く): 28006483

約数列:

[1, 3, 9, 27, 109, 327, 981, 2943, 19219, 57657, 172971, 518913, 2094871, 6284613, 18853839, 56561517]

約数ペア:

[(1, 56561517), (3, 18853839), (9, 6284613), (27, 2094871), (109, 518913), (327, 172971), (981, 57657), (2943, 19219)]