1979968137

素因数分解:

$3^1\times 7^2\times {\mathrm{89}}^1\times {\mathrm{151339}}^1$

素因数の和:151445

約数の個数: 24

約数和(自身を含む): 3105496800

約数和(自身を除く): 1125528663

約数列:

[1, 3, 7, 21, 49, 89, 147, 267, 623, 1869, 4361, 13083, 151339, 454017, 1059373, 3178119, 7415611, 13469171, 22246833, 40407513, 94284197, 282852591, 659989379, 1979968137]

約数ペア:

[(1, 1979968137), (3, 659989379), (7, 282852591), (21, 94284197), (49, 40407513), (89, 22246833), (147, 13469171), (267, 7415611), (623, 3178119), (1869, 1059373), (4361, 454017), (13083, 151339)]