81227337

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{20071}}^1$

素因数の和:20164

約数の個数: 16

約数和(自身を含む): 115614720

約数和(自身を除く): 34387383

約数列:

[1, 3, 19, 57, 71, 213, 1349, 4047, 20071, 60213, 381349, 1144047, 1425041, 4275123, 27075779, 81227337]

約数ペア:

[(1, 81227337), (3, 27075779), (19, 4275123), (57, 1425041), (71, 1144047), (213, 381349), (1349, 60213), (4047, 20071)]