81860079

素因数分解:

$3^1\times 7^1\times {\mathrm{1741}}^1\times {\mathrm{2239}}^1$

素因数の和:3990

約数の個数: 16

約数和(自身を含む): 124866560

約数和(自身を除く): 43006481

約数列:

[1, 3, 7, 21, 1741, 2239, 5223, 6717, 12187, 15673, 36561, 47019, 3898099, 11694297, 27286693, 81860079]

約数ペア:

[(1, 81860079), (3, 27286693), (7, 11694297), (21, 3898099), (1741, 47019), (2239, 36561), (5223, 15673), (6717, 12187)]