28771443

素因数分解:

$3^6\times {\mathrm{61}}^1\times {\mathrm{647}}^1$

素因数の和:726

約数の個数: 28

約数和(自身を含む): 43912368

約数和(自身を除く): 15140925

約数列:

[1, 3, 9, 27, 61, 81, 183, 243, 549, 647, 729, 1647, 1941, 4941, 5823, 14823, 17469, 39467, 44469, 52407, 118401, 157221, 355203, 471663, 1065609, 3196827, 9590481, 28771443]

約数ペア:

[(1, 28771443), (3, 9590481), (9, 3196827), (27, 1065609), (61, 471663), (81, 355203), (183, 157221), (243, 118401), (549, 52407), (647, 44469), (729, 39467), (1647, 17469), (1941, 14823), (4941, 5823)]