248977881

素因数分解:

$3^4\times {\mathrm{19}}^1\times {\mathrm{161779}}^1$

素因数の和:161810

約数の個数: 20

約数和(自身を含む): 391507600

約数和(自身を除く): 142529719

約数列:

[1, 3, 9, 19, 27, 57, 81, 171, 513, 1539, 161779, 485337, 1456011, 3073801, 4368033, 9221403, 13104099, 27664209, 82992627, 248977881]

約数ペア:

[(1, 248977881), (3, 82992627), (9, 27664209), (19, 13104099), (27, 9221403), (57, 4368033), (81, 3073801), (171, 1456011), (513, 485337), (1539, 161779)]