128219901

素因数分解:

$3^1\times {\mathrm{47}}^1\times {\mathrm{73}}^1\times {\mathrm{12457}}^1$

素因数の和:12580

約数の個数: 16

約数和(自身を含む): 177003264

約数和(自身を除く): 48783363

約数列:

[1, 3, 47, 73, 141, 219, 3431, 10293, 12457, 37371, 585479, 909361, 1756437, 2728083, 42739967, 128219901]

約数ペア:

[(1, 128219901), (3, 42739967), (47, 2728083), (73, 1756437), (141, 909361), (219, 585479), (3431, 37371), (10293, 12457)]