28906467

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{6947}}^1$

素因数の和:7042

約数の個数: 16

約数和(自身を含む): 41132160

約数和(自身を除く): 12225693

約数列:

[1, 3, 19, 57, 73, 219, 1387, 4161, 6947, 20841, 131993, 395979, 507131, 1521393, 9635489, 28906467]

約数ペア:

[(1, 28906467), (3, 9635489), (19, 1521393), (57, 507131), (73, 395979), (219, 131993), (1387, 20841), (4161, 6947)]