128706627

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{322573}}^1$

素因数の和:322602

約数の個数: 16

約数和(自身を含む): 206447360

約数和(自身を除く): 77740733

約数列:

[1, 3, 7, 19, 21, 57, 133, 399, 322573, 967719, 2258011, 6128887, 6774033, 18386661, 42902209, 128706627]

約数ペア:

[(1, 128706627), (3, 42902209), (7, 18386661), (19, 6774033), (21, 6128887), (57, 2258011), (133, 967719), (399, 322573)]