278575413

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{1987}}^1\times {\mathrm{2749}}^1$

素因数の和:4756

約数の個数: 16

約数和(自身を含む): 393624000

約数和(自身を除く): 115048587

約数列:

[1, 3, 17, 51, 1987, 2749, 5961, 8247, 33779, 46733, 101337, 140199, 5462263, 16386789, 92858471, 278575413]

約数ペア:

[(1, 278575413), (3, 92858471), (17, 16386789), (51, 5462263), (1987, 140199), (2749, 101337), (5961, 46733), (8247, 33779)]