5641407

素因数分解:

$3^4\times {\mathrm{257}}^1\times {\mathrm{271}}^1$

素因数の和:540

約数の個数: 20

約数和(自身を含む): 8491296

約数和(自身を除く): 2849889

約数列:

[1, 3, 9, 27, 81, 257, 271, 771, 813, 2313, 2439, 6939, 7317, 20817, 21951, 69647, 208941, 626823, 1880469, 5641407]

約数ペア:

[(1, 5641407), (3, 1880469), (9, 626823), (27, 208941), (81, 69647), (257, 21951), (271, 20817), (771, 7317), (813, 6939), (2313, 2439)]