81585621

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{131}}^1\times {\mathrm{5323}}^1$

素因数の和:5473

約数の個数: 24

約数和(自身を含む): 127903776

約数和(自身を除く): 46318155

約数列:

[1, 3, 9, 13, 39, 117, 131, 393, 1179, 1703, 5109, 5323, 15327, 15969, 47907, 69199, 207597, 622791, 697313, 2091939, 6275817, 9065069, 27195207, 81585621]

約数ペア:

[(1, 81585621), (3, 27195207), (9, 9065069), (13, 6275817), (39, 2091939), (117, 697313), (131, 622791), (393, 207597), (1179, 69199), (1703, 47907), (5109, 15969), (5323, 15327)]