81019407

素因数分解:

$3^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{63247}}^1$

素因数の和:63318

約数の個数: 16

約数和(自身を含む): 125484032

約数和(自身を除く): 44464625

約数列:

[1, 3, 7, 21, 61, 183, 427, 1281, 63247, 189741, 442729, 1328187, 3858067, 11574201, 27006469, 81019407]

約数ペア:

[(1, 81019407), (3, 27006469), (7, 11574201), (21, 3858067), (61, 1328187), (183, 442729), (427, 189741), (1281, 63247)]