87273981

素因数分解:

$3^2\times {\mathrm{61}}^1\times {\mathrm{71}}^1\times {\mathrm{2239}}^1$

素因数の和:2377

約数の個数: 24

約数和(自身を含む): 129991680

約数和(自身を除く): 42717699

約数列:

[1, 3, 9, 61, 71, 183, 213, 549, 639, 2239, 4331, 6717, 12993, 20151, 38979, 136579, 158969, 409737, 476907, 1229211, 1430721, 9697109, 29091327, 87273981]

約数ペア:

[(1, 87273981), (3, 29091327), (9, 9697109), (61, 1430721), (71, 1229211), (183, 476907), (213, 409737), (549, 158969), (639, 136579), (2239, 38979), (4331, 20151), (6717, 12993)]