1279495987

素因数分解:

$7^3\times {\mathrm{11}}^2\times {\mathrm{30829}}^1$

素因数の和:30872

約数の個数: 24

約数和(自身を含む): 1640156000

約数和(自身を除く): 360660013

約数列:

[1, 7, 11, 49, 77, 121, 343, 539, 847, 3773, 5929, 30829, 41503, 215803, 339119, 1510621, 2373833, 3730309, 10574347, 16616831, 26112163, 116317817, 182785141, 1279495987]

約数ペア:

[(1, 1279495987), (7, 182785141), (11, 116317817), (49, 26112163), (77, 16616831), (121, 10574347), (343, 3730309), (539, 2373833), (847, 1510621), (3773, 339119), (5929, 215803), (30829, 41503)]