128858823

素因数分解:

$3^3\times {\mathrm{71}}^1\times {\mathrm{67219}}^1$

素因数の和:67299

約数の個数: 16

約数和(自身を含む): 193593600

約数和(自身を除く): 64734777

約数列:

[1, 3, 9, 27, 71, 213, 639, 1917, 67219, 201657, 604971, 1814913, 4772549, 14317647, 42952941, 128858823]

約数ペア:

[(1, 128858823), (3, 42952941), (9, 14317647), (27, 4772549), (71, 1814913), (213, 604971), (639, 201657), (1917, 67219)]