42118419

素因数分解:

$3^1\times 7^1\times {\mathrm{311}}^1\times {\mathrm{6449}}^1$

素因数の和:6770

約数の個数: 16

約数和(自身を含む): 64396800

約数和(自身を除く): 22278381

約数列:

[1, 3, 7, 21, 311, 933, 2177, 6449, 6531, 19347, 45143, 135429, 2005639, 6016917, 14039473, 42118419]

約数ペア:

[(1, 42118419), (3, 14039473), (7, 6016917), (21, 2005639), (311, 135429), (933, 45143), (2177, 19347), (6449, 6531)]