56987289

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{9007}}^1$

素因数の和:9069

約数の個数: 24

約数和(自身を含む): 88999040

約数和(自身を除く): 32011751

約数列:

[1, 3, 9, 19, 37, 57, 111, 171, 333, 703, 2109, 6327, 9007, 27021, 81063, 171133, 333259, 513399, 999777, 1540197, 2999331, 6331921, 18995763, 56987289]

約数ペア:

[(1, 56987289), (3, 18995763), (9, 6331921), (19, 2999331), (37, 1540197), (57, 999777), (111, 513399), (171, 333259), (333, 171133), (703, 81063), (2109, 27021), (6327, 9007)]