20970927

素因数分解:

$3^3\times {\mathrm{19}}^1\times {\mathrm{40879}}^1$

素因数の和:40907

約数の個数: 16

約数和(自身を含む): 32704000

約数和(自身を除く): 11733073

約数列:

[1, 3, 9, 19, 27, 57, 171, 513, 40879, 122637, 367911, 776701, 1103733, 2330103, 6990309, 20970927]

約数ペア:

[(1, 20970927), (3, 6990309), (9, 2330103), (19, 1103733), (27, 776701), (57, 367911), (171, 122637), (513, 40879)]