2191617

素因数分解:

$3^5\times {\mathrm{29}}^1\times {\mathrm{311}}^1$

素因数の和:355

約数の個数: 24

約数和(自身を含む): 3407040

約数和(自身を除く): 1215423

約数列:

[1, 3, 9, 27, 29, 81, 87, 243, 261, 311, 783, 933, 2349, 2799, 7047, 8397, 9019, 25191, 27057, 75573, 81171, 243513, 730539, 2191617]

約数ペア:

[(1, 2191617), (3, 730539), (9, 243513), (27, 81171), (29, 75573), (81, 27057), (87, 25191), (243, 9019), (261, 8397), (311, 7047), (783, 2799), (933, 2349)]