55771387

素因数分解:

$7^1\times {\mathrm{31}}^1\times {\mathrm{43}}^2\times {\mathrm{139}}^1$

素因数の和:263

約数の個数: 24

約数和(自身を含む): 67845120

約数和(自身を除く): 12073733

約数列:

[1, 7, 31, 43, 139, 217, 301, 973, 1333, 1849, 4309, 5977, 9331, 12943, 30163, 41839, 57319, 185287, 257011, 401233, 1297009, 1799077, 7967341, 55771387]

約数ペア:

[(1, 55771387), (7, 7967341), (31, 1799077), (43, 1297009), (139, 401233), (217, 257011), (301, 185287), (973, 57319), (1333, 41839), (1849, 30163), (4309, 12943), (5977, 9331)]