81593649

素因数分解:

$3^4\times {\mathrm{41}}^1\times {\mathrm{79}}^1\times {\mathrm{311}}^1$

素因数の和:443

約数の個数: 40

約数和(自身を含む): 126846720

約数和(自身を除く): 45253071

約数列:

[1, 3, 9, 27, 41, 79, 81, 123, 237, 311, 369, 711, 933, 1107, 2133, 2799, 3239, 3321, 6399, 8397, 9717, 12751, 24569, 25191, 29151, 38253, 73707, 87453, 114759, 221121, 262359, 344277, 663363, 1007329, 1032831, 1990089, 3021987, 9065961, 27197883, 81593649]

約数ペア:

[(1, 81593649), (3, 27197883), (9, 9065961), (27, 3021987), (41, 1990089), (79, 1032831), (81, 1007329), (123, 663363), (237, 344277), (311, 262359), (369, 221121), (711, 114759), (933, 87453), (1107, 73707), (2133, 38253), (2799, 29151), (3239, 25191), (3321, 24569), (6399, 12751), (8397, 9717)]