20111248017

素因数分解:

$3^2\times 7^2\times {\mathrm{45603737}}^1$

素因数の和:45603757

約数の個数: 18

約数和(自身を含む): 33792369858

約数和(自身を除く): 13681121841

約数列:

[1, 3, 7, 9, 21, 49, 63, 147, 441, 45603737, 136811211, 319226159, 410433633, 957678477, 2234583113, 2873035431, 6703749339, 20111248017]

約数ペア:

[(1, 20111248017), (3, 6703749339), (7, 2873035431), (9, 2234583113), (21, 957678477), (49, 410433633), (63, 319226159), (147, 136811211), (441, 45603737)]