2981691

素因数分解:

$3^4\times {\mathrm{131}}^1\times {\mathrm{281}}^1$

素因数の和:424

約数の個数: 20

約数和(自身を含む): 4504104

約数和(自身を除く): 1522413

約数列:

[1, 3, 9, 27, 81, 131, 281, 393, 843, 1179, 2529, 3537, 7587, 10611, 22761, 36811, 110433, 331299, 993897, 2981691]

約数ペア:

[(1, 2981691), (3, 993897), (9, 331299), (27, 110433), (81, 36811), (131, 22761), (281, 10611), (393, 7587), (843, 3537), (1179, 2529)]