127787009

素因数分解:

$7^1\times {\mathrm{61}}^1\times {\mathrm{139}}^1\times {\mathrm{2153}}^1$

素因数の和:2360

約数の個数: 16

約数和(自身を含む): 149573760

約数和(自身を除く): 21786751

約数列:

[1, 7, 61, 139, 427, 973, 2153, 8479, 15071, 59353, 131333, 299267, 919331, 2094869, 18255287, 127787009]

約数ペア:

[(1, 127787009), (7, 18255287), (61, 2094869), (139, 919331), (427, 299267), (973, 131333), (2153, 59353), (8479, 15071)]