1947387

素因数分解:

$3^1\times {\mathrm{13}}^2\times {\mathrm{23}}^1\times {\mathrm{167}}^1$

素因数の和:219

約数の個数: 24

約数和(自身を含む): 2951424

約数和(自身を除く): 1004037

約数列:

[1, 3, 13, 23, 39, 69, 167, 169, 299, 501, 507, 897, 2171, 3841, 3887, 6513, 11523, 11661, 28223, 49933, 84669, 149799, 649129, 1947387]

約数ペア:

[(1, 1947387), (3, 649129), (13, 149799), (23, 84669), (39, 49933), (69, 28223), (167, 11661), (169, 11523), (299, 6513), (501, 3887), (507, 3841), (897, 2171)]