80998197

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{4721}}^1$

素因数の和:4793

約数の個数: 32

約数和(自身を含む): 132971520

約数和(自身を除く): 51973323

約数列:

[1, 3, 7, 19, 21, 43, 57, 129, 133, 301, 399, 817, 903, 2451, 4721, 5719, 14163, 17157, 33047, 89699, 99141, 203003, 269097, 609009, 627893, 1421021, 1883679, 3857057, 4263063, 11571171, 26999399, 80998197]

約数ペア:

[(1, 80998197), (3, 26999399), (7, 11571171), (19, 4263063), (21, 3857057), (43, 1883679), (57, 1421021), (129, 627893), (133, 609009), (301, 269097), (399, 203003), (817, 99141), (903, 89699), (2451, 33047), (4721, 17157), (5719, 14163)]