12672981

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{2003}}^1$

素因数の和:2065

約数の個数: 24

約数和(自身を含む): 19799520

約数和(自身を除く): 7126539

約数列:

[1, 3, 9, 19, 37, 57, 111, 171, 333, 703, 2003, 2109, 6009, 6327, 18027, 38057, 74111, 114171, 222333, 342513, 666999, 1408109, 4224327, 12672981]

約数ペア:

[(1, 12672981), (3, 4224327), (9, 1408109), (19, 666999), (37, 342513), (57, 222333), (111, 114171), (171, 74111), (333, 38057), (703, 18027), (2003, 6327), (2109, 6009)]