2805609

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{73}}^1\times {\mathrm{557}}^1$

素因数の和:656

約数の個数: 16

約数和(自身を含む): 3964032

約数和(自身を除く): 1158423

約数列:

[1, 3, 23, 69, 73, 219, 557, 1671, 1679, 5037, 12811, 38433, 40661, 121983, 935203, 2805609]

約数ペア:

[(1, 2805609), (3, 935203), (23, 121983), (69, 40661), (73, 38433), (219, 12811), (557, 5037), (1671, 1679)]