28169469

素因数分解:

$3^2\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{2917}}^1$

素因数の和:2989

約数の個数: 24

約数和(自身を含む): 43244760

約数和(自身を除く): 15075291

約数列:

[1, 3, 9, 29, 37, 87, 111, 261, 333, 1073, 2917, 3219, 8751, 9657, 26253, 84593, 107929, 253779, 323787, 761337, 971361, 3129941, 9389823, 28169469]

約数ペア:

[(1, 28169469), (3, 9389823), (9, 3129941), (29, 971361), (37, 761337), (87, 323787), (111, 253779), (261, 107929), (333, 84593), (1073, 26253), (2917, 9657), (3219, 8751)]