31278123

素因数分解:

$3^3\times {\mathrm{19}}^2\times {\mathrm{3209}}^1$

素因数の和:3256

約数の個数: 24

約数和(自身を含む): 48920400

約数和(自身を除く): 17642277

約数列:

[1, 3, 9, 19, 27, 57, 171, 361, 513, 1083, 3209, 3249, 9627, 9747, 28881, 60971, 86643, 182913, 548739, 1158449, 1646217, 3475347, 10426041, 31278123]

約数ペア:

[(1, 31278123), (3, 10426041), (9, 3475347), (19, 1646217), (27, 1158449), (57, 548739), (171, 182913), (361, 86643), (513, 60971), (1083, 28881), (3209, 9747), (3249, 9627)]