81273999

素因数分解:

$3^1\times {\mathrm{43}}^1\times {\mathrm{89}}^1\times {\mathrm{7079}}^1$

素因数の和:7214

約数の個数: 16

約数和(自身を含む): 112147200

約数和(自身を除く): 30873201

約数列:

[1, 3, 43, 89, 129, 267, 3827, 7079, 11481, 21237, 304397, 630031, 913191, 1890093, 27091333, 81273999]

約数ペア:

[(1, 81273999), (3, 27091333), (43, 1890093), (89, 913191), (129, 630031), (267, 304397), (3827, 21237), (7079, 11481)]