155260959

素因数分解:

$3^1\times 7^2\times {\mathrm{107}}^1\times {\mathrm{9871}}^1$

素因数の和:9995

約数の個数: 24

約数和(自身を含む): 243088128

約数和(自身を除く): 87827169

約数列:

[1, 3, 7, 21, 49, 107, 147, 321, 749, 2247, 5243, 9871, 15729, 29613, 69097, 207291, 483679, 1056197, 1451037, 3168591, 7393379, 22180137, 51753653, 155260959]

約数ペア:

[(1, 155260959), (3, 51753653), (7, 22180137), (21, 7393379), (49, 3168591), (107, 1451037), (147, 1056197), (321, 483679), (749, 207291), (2247, 69097), (5243, 29613), (9871, 15729)]