2886891

素因数分解:

$3^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{139}}^1$

素因数の和:215

約数の個数: 32

約数和(自身を含む): 4730880

約数和(自身を除く): 1843989

約数列:

[1, 3, 7, 21, 23, 43, 69, 129, 139, 161, 301, 417, 483, 903, 973, 989, 2919, 2967, 3197, 5977, 6923, 9591, 17931, 20769, 22379, 41839, 67137, 125517, 137471, 412413, 962297, 2886891]

約数ペア:

[(1, 2886891), (3, 962297), (7, 412413), (21, 137471), (23, 125517), (43, 67137), (69, 41839), (129, 22379), (139, 20769), (161, 17931), (301, 9591), (417, 6923), (483, 5977), (903, 3197), (973, 2967), (989, 2919)]