81345609

素因数分解:

$3^2\times {\mathrm{29}}^1\times {\mathrm{229}}^1\times {\mathrm{1361}}^1$

素因数の和:1625

約数の個数: 24

約数和(自身を含む): 122171400

約数和(自身を除く): 40825791

約数列:

[1, 3, 9, 29, 87, 229, 261, 687, 1361, 2061, 4083, 6641, 12249, 19923, 39469, 59769, 118407, 311669, 355221, 935007, 2805021, 9038401, 27115203, 81345609]

約数ペア:

[(1, 81345609), (3, 27115203), (9, 9038401), (29, 2805021), (87, 935007), (229, 355221), (261, 311669), (687, 118407), (1361, 59769), (2061, 39469), (4083, 19923), (6641, 12249)]