82740021

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{199}}^1\times {\mathrm{1523}}^1$

素因数の和:1745

約数の個数: 32

約数和(自身を含む): 136550400

約数和(自身を除く): 53810379

約数列:

[1, 3, 7, 13, 21, 39, 91, 199, 273, 597, 1393, 1523, 2587, 4179, 4569, 7761, 10661, 18109, 19799, 31983, 54327, 59397, 138593, 303077, 415779, 909231, 2121539, 3940001, 6364617, 11820003, 27580007, 82740021]

約数ペア:

[(1, 82740021), (3, 27580007), (7, 11820003), (13, 6364617), (21, 3940001), (39, 2121539), (91, 909231), (199, 415779), (273, 303077), (597, 138593), (1393, 59397), (1523, 54327), (2587, 31983), (4179, 19799), (4569, 18109), (7761, 10661)]