1656558621

素因数分解:

$3^4\times {\mathrm{631}}^1\times {\mathrm{32411}}^1$

素因数の和:33054

約数の個数: 20

約数和(自身を含む): 2478610464

約数和(自身を除く): 822051843

約数列:

[1, 3, 9, 27, 81, 631, 1893, 5679, 17037, 32411, 51111, 97233, 291699, 875097, 2625291, 20451341, 61354023, 184062069, 552186207, 1656558621]

約数ペア:

[(1, 1656558621), (3, 552186207), (9, 184062069), (27, 61354023), (81, 20451341), (631, 2625291), (1893, 875097), (5679, 291699), (17037, 97233), (32411, 51111)]