81301701

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{149}}^1\times {\mathrm{823}}^1$

素因数の和:1005

約数の個数: 32

約数和(自身を含む): 124588800

約数和(自身を除く): 43287099

約数列:

[1, 3, 13, 17, 39, 51, 149, 221, 447, 663, 823, 1937, 2469, 2533, 5811, 7599, 10699, 13991, 32097, 32929, 41973, 98787, 122627, 181883, 367881, 545649, 1594151, 2084659, 4782453, 6253977, 27100567, 81301701]

約数ペア:

[(1, 81301701), (3, 27100567), (13, 6253977), (17, 4782453), (39, 2084659), (51, 1594151), (149, 545649), (221, 367881), (447, 181883), (663, 122627), (823, 98787), (1937, 41973), (2469, 32929), (2533, 32097), (5811, 13991), (7599, 10699)]