890221689

素因数分解:

$3^2\times 7^1\times {\mathrm{47}}^1\times {\mathrm{300649}}^1$

素因数の和:300709

約数の個数: 24

約数和(自身を含む): 1500844800

約数和(自身を除く): 610623111

約数列:

[1, 3, 7, 9, 21, 47, 63, 141, 329, 423, 987, 2961, 300649, 901947, 2104543, 2705841, 6313629, 14130503, 18940887, 42391509, 98913521, 127174527, 296740563, 890221689]

約数ペア:

[(1, 890221689), (3, 296740563), (7, 127174527), (9, 98913521), (21, 42391509), (47, 18940887), (63, 14130503), (141, 6313629), (329, 2705841), (423, 2104543), (987, 901947), (2961, 300649)]