80031987

素因数分解:

$3^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{953}}^1$

素因数の和:1040

約数の個数: 48

約数和(自身を含む): 139696128

約数和(自身を除く): 59664141

約数列:

[1, 3, 7, 9, 21, 31, 43, 63, 93, 129, 217, 279, 301, 387, 651, 903, 953, 1333, 1953, 2709, 2859, 3999, 6671, 8577, 9331, 11997, 20013, 27993, 29543, 40979, 60039, 83979, 88629, 122937, 206801, 265887, 286853, 368811, 620403, 860559, 1270349, 1861209, 2581677, 3811047, 8892443, 11433141, 26677329, 80031987]

約数ペア:

[(1, 80031987), (3, 26677329), (7, 11433141), (9, 8892443), (21, 3811047), (31, 2581677), (43, 1861209), (63, 1270349), (93, 860559), (129, 620403), (217, 368811), (279, 286853), (301, 265887), (387, 206801), (651, 122937), (903, 88629), (953, 83979), (1333, 60039), (1953, 40979), (2709, 29543), (2859, 27993), (3999, 20013), (6671, 11997), (8577, 9331)]