842643981

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{189913}}^1$

素因数の和:189965

約数の個数: 24

約数和(自身を含む): 1333196280

約数和(自身を除く): 490552299

約数列:

[1, 3, 9, 17, 29, 51, 87, 153, 261, 493, 1479, 4437, 189913, 569739, 1709217, 3228521, 5507477, 9685563, 16522431, 29056689, 49567293, 93627109, 280881327, 842643981]

約数ペア:

[(1, 842643981), (3, 280881327), (9, 93627109), (17, 49567293), (29, 29056689), (51, 16522431), (87, 9685563), (153, 5507477), (261, 3228521), (493, 1709217), (1479, 569739), (4437, 189913)]