15663021681

素因数分解:

$3^1\times {\mathrm{67}}^1\times {\mathrm{131}}^1\times {\mathrm{709}}^1\times {\mathrm{839}}^1$

素因数の和:1749

約数の個数: 32

約数和(自身を含む): 21413145600

約数和(自身を除く): 5750123919

約数列:

[1, 3, 67, 131, 201, 393, 709, 839, 2127, 2517, 8777, 26331, 47503, 56213, 92879, 109909, 142509, 168639, 278637, 329727, 594851, 1784553, 6222893, 7363903, 18668679, 22091709, 39855017, 77925481, 119565051, 233776443, 5221007227, 15663021681]

約数ペア:

[(1, 15663021681), (3, 5221007227), (67, 233776443), (131, 119565051), (201, 77925481), (393, 39855017), (709, 22091709), (839, 18668679), (2127, 7363903), (2517, 6222893), (8777, 1784553), (26331, 594851), (47503, 329727), (56213, 278637), (92879, 168639), (109909, 142509)]