40805205

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{388621}}^1$

素因数の和:388636

約数の個数: 16

約数和(自身を含む): 74615424

約数和(自身を除く): 33810219

約数列:

[1, 3, 5, 7, 15, 21, 35, 105, 388621, 1165863, 1943105, 2720347, 5829315, 8161041, 13601735, 40805205]

約数ペア:

[(1, 40805205), (3, 13601735), (5, 8161041), (7, 5829315), (15, 2720347), (21, 1943105), (35, 1165863), (105, 388621)]