1287942723

素因数分解:

$3^2\times {\mathrm{73}}^1\times {\mathrm{1097}}^1\times {\mathrm{1787}}^1$

素因数の和:2963

約数の個数: 24

約数和(自身を含む): 1888621488

約数和(自身を除く): 600678765

約数列:

[1, 3, 9, 73, 219, 657, 1097, 1787, 3291, 5361, 9873, 16083, 80081, 130451, 240243, 391353, 720729, 1174059, 1960339, 5881017, 17643051, 143104747, 429314241, 1287942723]

約数ペア:

[(1, 1287942723), (3, 429314241), (9, 143104747), (73, 17643051), (219, 5881017), (657, 1960339), (1097, 1174059), (1787, 720729), (3291, 391353), (5361, 240243), (9873, 130451), (16083, 80081)]