247940415

素因数分解:

$3^2\times 5^1\times {\mathrm{787}}^1\times {\mathrm{7001}}^1$

素因数の和:7799

約数の個数: 24

約数和(自身を含む): 430370928

約数和(自身を除く): 182430513

約数列:

[1, 3, 5, 9, 15, 45, 787, 2361, 3935, 7001, 7083, 11805, 21003, 35005, 35415, 63009, 105015, 315045, 5509787, 16529361, 27548935, 49588083, 82646805, 247940415]

約数ペア:

[(1, 247940415), (3, 82646805), (5, 49588083), (9, 27548935), (15, 16529361), (45, 5509787), (787, 315045), (2361, 105015), (3935, 63009), (7001, 35415), (7083, 35005), (11805, 21003)]