81939613

素因数分解:

$7^3\times {\mathrm{59}}^1\times {\mathrm{4049}}^1$

素因数の和:4129

約数の個数: 16

約数和(自身を含む): 97200000

約数和(自身を除く): 15260387

約数列:

[1, 7, 49, 59, 343, 413, 2891, 4049, 20237, 28343, 198401, 238891, 1388807, 1672237, 11705659, 81939613]

約数ペア:

[(1, 81939613), (7, 11705659), (49, 1672237), (59, 1388807), (343, 238891), (413, 198401), (2891, 28343), (4049, 20237)]