840427861

素因数分解:

$7^3\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{11087}}^1$

素因数の和:11138

約数の個数: 32

約数和(自身を含む): 1117670400

約数和(自身を除く): 277242539

約数列:

[1, 7, 13, 17, 49, 91, 119, 221, 343, 637, 833, 1547, 4459, 5831, 10829, 11087, 75803, 77609, 144131, 188479, 543263, 1008917, 1319353, 2450227, 3802841, 7062419, 9235471, 17151589, 49436933, 64648297, 120061123, 840427861]

約数ペア:

[(1, 840427861), (7, 120061123), (13, 64648297), (17, 49436933), (49, 17151589), (91, 9235471), (119, 7062419), (221, 3802841), (343, 2450227), (637, 1319353), (833, 1008917), (1547, 543263), (4459, 188479), (5831, 144131), (10829, 77609), (11087, 75803)]