2002221

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{109}}^1\times {\mathrm{157}}^1$

素因数の和:285

約数の個数: 24

約数和(自身を含む): 3163160

約数和(自身を除く): 1160939

約数列:

[1, 3, 9, 13, 39, 109, 117, 157, 327, 471, 981, 1413, 1417, 2041, 4251, 6123, 12753, 17113, 18369, 51339, 154017, 222469, 667407, 2002221]

約数ペア:

[(1, 2002221), (3, 667407), (9, 222469), (13, 154017), (39, 51339), (109, 18369), (117, 17113), (157, 12753), (327, 6123), (471, 4251), (981, 2041), (1413, 1417)]