81214809

素因数分解:

$3^1\times {\mathrm{13}}^2\times {\mathrm{41}}^1\times {\mathrm{3907}}^1$

素因数の和:3977

約数の個数: 24

約数和(自身を含む): 120147552

約数和(自身を除く): 38932743

約数列:

[1, 3, 13, 39, 41, 123, 169, 507, 533, 1599, 3907, 6929, 11721, 20787, 50791, 152373, 160187, 480561, 660283, 1980849, 2082431, 6247293, 27071603, 81214809]

約数ペア:

[(1, 81214809), (3, 27071603), (13, 6247293), (39, 2082431), (41, 1980849), (123, 660283), (169, 480561), (507, 160187), (533, 152373), (1599, 50791), (3907, 20787), (6929, 11721)]