28378455

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{270271}}^1$

素因数の和:270286

約数の個数: 16

約数和(自身を含む): 51892224

約数和(自身を除く): 23513769

約数列:

[1, 3, 5, 7, 15, 21, 35, 105, 270271, 810813, 1351355, 1891897, 4054065, 5675691, 9459485, 28378455]

約数ペア:

[(1, 28378455), (3, 9459485), (5, 5675691), (7, 4054065), (15, 1891897), (21, 1351355), (35, 810813), (105, 270271)]