666423321

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{2447}}^1\times {\mathrm{3947}}^1$

素因数の和:6420

約数の個数: 16

約数和(自身を含む): 927811584

約数和(自身を除く): 261388263

約数列:

[1, 3, 23, 69, 2447, 3947, 7341, 11841, 56281, 90781, 168843, 272343, 9658309, 28974927, 222141107, 666423321]

約数ペア:

[(1, 666423321), (3, 222141107), (23, 28974927), (69, 9658309), (2447, 272343), (3947, 168843), (7341, 90781), (11841, 56281)]