1395681

素因数分解:

$3^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{1621}}^1$

素因数の和:1672

約数の個数: 16

約数和(自身を含む): 2179968

約数和(自身を除く): 784287

約数列:

[1, 3, 7, 21, 41, 123, 287, 861, 1621, 4863, 11347, 34041, 66461, 199383, 465227, 1395681]

約数ペア:

[(1, 1395681), (3, 465227), (7, 199383), (21, 66461), (41, 34041), (123, 11347), (287, 4863), (861, 1621)]