81195255

素因数分解:

$3^2\times 5^1\times {\mathrm{443}}^1\times {\mathrm{4073}}^1$

素因数の和:4527

約数の個数: 24

約数和(自身を含む): 141090768

約数和(自身を除く): 59895513

約数列:

[1, 3, 5, 9, 15, 45, 443, 1329, 2215, 3987, 4073, 6645, 12219, 19935, 20365, 36657, 61095, 183285, 1804339, 5413017, 9021695, 16239051, 27065085, 81195255]

約数ペア:

[(1, 81195255), (3, 27065085), (5, 16239051), (9, 9021695), (15, 5413017), (45, 1804339), (443, 183285), (1329, 61095), (2215, 36657), (3987, 20365), (4073, 19935), (6645, 12219)]