218293311

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{431}}^1\times {\mathrm{9931}}^1$

素因数の和:10382

約数の個数: 16

約数和(自身を含む): 308924928

約数和(自身を除く): 90631617

約数列:

[1, 3, 17, 51, 431, 1293, 7327, 9931, 21981, 29793, 168827, 506481, 4280261, 12840783, 72764437, 218293311]

約数ペア:

[(1, 218293311), (3, 72764437), (17, 12840783), (51, 4280261), (431, 506481), (1293, 168827), (7327, 29793), (9931, 21981)]