87665733

素因数分解:

$3^4\times {\mathrm{347}}^1\times {\mathrm{3119}}^1$

素因数の和:3478

約数の個数: 20

約数和(自身を含む): 131376960

約数和(自身を除く): 43711227

約数列:

[1, 3, 9, 27, 81, 347, 1041, 3119, 3123, 9357, 9369, 28071, 28107, 84213, 252639, 1082293, 3246879, 9740637, 29221911, 87665733]

約数ペア:

[(1, 87665733), (3, 29221911), (9, 9740637), (27, 3246879), (81, 1082293), (347, 252639), (1041, 84213), (3119, 28107), (3123, 28071), (9357, 9369)]