81553413

素因数分解:

$3^1\times {\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{13451}}^1$

素因数の和:13544

約数の個数: 16

約数和(自身を含む): 113642496

約数和(自身を除く): 32089083

約数列:

[1, 3, 43, 47, 129, 141, 2021, 6063, 13451, 40353, 578393, 632197, 1735179, 1896591, 27184471, 81553413]

約数ペア:

[(1, 81553413), (3, 27184471), (43, 1896591), (47, 1735179), (129, 632197), (141, 578393), (2021, 40353), (6063, 13451)]