30989119

素因数分解:

$7^2\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{887}}^1$

素因数の和:955

約数の個数: 24

約数和(自身を含む): 38873088

約数和(自身を除く): 7883969

約数列:

[1, 7, 23, 31, 49, 161, 217, 713, 887, 1127, 1519, 4991, 6209, 20401, 27497, 34937, 43463, 142807, 192479, 632431, 999649, 1347353, 4427017, 30989119]

約数ペア:

[(1, 30989119), (7, 4427017), (23, 1347353), (31, 999649), (49, 632431), (161, 192479), (217, 142807), (713, 43463), (887, 34937), (1127, 27497), (1519, 20401), (4991, 6209)]