81384065

素因数分解:

$5^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{38119}}^1$

素因数の和:38192

約数の個数: 16

約数和(自身を含む): 113445120

約数和(自身を除く): 32061055

約数列:

[1, 5, 7, 35, 61, 305, 427, 2135, 38119, 190595, 266833, 1334165, 2325259, 11626295, 16276813, 81384065]

約数ペア:

[(1, 81384065), (5, 16276813), (7, 11626295), (35, 2325259), (61, 1334165), (305, 266833), (427, 190595), (2135, 38119)]