1338945

素因数分解:

$3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{3881}}^1$

素因数の和:3912

約数の個数: 16

約数和(自身を含む): 2236032

約数和(自身を除く): 897087

約数列:

[1, 3, 5, 15, 23, 69, 115, 345, 3881, 11643, 19405, 58215, 89263, 267789, 446315, 1338945]

約数ペア:

[(1, 1338945), (3, 446315), (5, 267789), (15, 89263), (23, 58215), (69, 19405), (115, 11643), (345, 3881)]