247945539

素因数分解:

$3^1\times {\mathrm{47}}^1\times {\mathrm{607}}^1\times {\mathrm{2897}}^1$

素因数の和:3554

約数の個数: 16

約数和(自身を含む): 338300928

約数和(自身を除く): 90355389

約数列:

[1, 3, 47, 141, 607, 1821, 2897, 8691, 28529, 85587, 136159, 408477, 1758479, 5275437, 82648513, 247945539]

約数ペア:

[(1, 247945539), (3, 82648513), (47, 5275437), (141, 1758479), (607, 408477), (1821, 136159), (2897, 85587), (8691, 28529)]