81216963

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{293}}^1\times {\mathrm{1621}}^1$

素因数の和:1939

約数の個数: 24

約数和(自身を含む): 123985680

約数和(自身を除く): 42768717

約数列:

[1, 3, 9, 19, 57, 171, 293, 879, 1621, 2637, 4863, 5567, 14589, 16701, 30799, 50103, 92397, 277191, 474953, 1424859, 4274577, 9024107, 27072321, 81216963]

約数ペア:

[(1, 81216963), (3, 27072321), (9, 9024107), (19, 4274577), (57, 1424859), (171, 474953), (293, 277191), (879, 92397), (1621, 50103), (2637, 30799), (4863, 16701), (5567, 14589)]