2178624903

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{7980311}}^1$

素因数の和:7980334

約数の個数: 16

約数和(自身を含む): 3575179776

約数和(自身を除く): 1396554873

約数列:

[1, 3, 7, 13, 21, 39, 91, 273, 7980311, 23940933, 55862177, 103744043, 167586531, 311232129, 726208301, 2178624903]

約数ペア:

[(1, 2178624903), (3, 726208301), (7, 311232129), (13, 167586531), (21, 103744043), (39, 55862177), (91, 23940933), (273, 7980311)]