80021787

素因数分解:

$3^1\times {\mathrm{19}}^2\times {\mathrm{37}}^1\times {\mathrm{1997}}^1$

素因数の和:2075

約数の個数: 24

約数和(自身を含む): 115708176

約数和(自身を除く): 35686389

約数列:

[1, 3, 19, 37, 57, 111, 361, 703, 1083, 1997, 2109, 5991, 13357, 37943, 40071, 73889, 113829, 221667, 720917, 1403891, 2162751, 4211673, 26673929, 80021787]

約数ペア:

[(1, 80021787), (3, 26673929), (19, 4211673), (37, 2162751), (57, 1403891), (111, 720917), (361, 221667), (703, 113829), (1083, 73889), (1997, 40071), (2109, 37943), (5991, 13357)]