81886143

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{41}}^1\times {\mathrm{947}}^1$

素因数の和:1047

約数の個数: 32

約数和(自身を含む): 121040640

約数和(自身を除く): 39154497

約数列:

[1, 3, 19, 37, 41, 57, 111, 123, 703, 779, 947, 1517, 2109, 2337, 2841, 4551, 17993, 28823, 35039, 38827, 53979, 86469, 105117, 116481, 665741, 737713, 1436599, 1997223, 2213139, 4309797, 27295381, 81886143]

約数ペア:

[(1, 81886143), (3, 27295381), (19, 4309797), (37, 2213139), (41, 1997223), (57, 1436599), (111, 737713), (123, 665741), (703, 116481), (779, 105117), (947, 86469), (1517, 53979), (2109, 38827), (2337, 35039), (2841, 28823), (4551, 17993)]