2021961987

素因数分解:

$3^3\times {\mathrm{107}}^1\times {\mathrm{199}}^1\times {\mathrm{3517}}^1$

素因数の和:3832

約数の個数: 32

約数和(自身を含む): 3039552000

約数和(自身を除く): 1017590013

約数列:

[1, 3, 9, 27, 107, 199, 321, 597, 963, 1791, 2889, 3517, 5373, 10551, 21293, 31653, 63879, 94959, 191637, 376319, 574911, 699883, 1128957, 2099649, 3386871, 6298947, 10160613, 18896841, 74887481, 224662443, 673987329, 2021961987]

約数ペア:

[(1, 2021961987), (3, 673987329), (9, 224662443), (27, 74887481), (107, 18896841), (199, 10160613), (321, 6298947), (597, 3386871), (963, 2099649), (1791, 1128957), (2889, 699883), (3517, 574911), (5373, 376319), (10551, 191637), (21293, 94959), (31653, 63879)]