990215619

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{281}}^1\times {\mathrm{51071}}^1$

素因数の和:51378

約数の個数: 16

約数和(自身を含む): 1382621184

約数和(自身を除く): 392405565

約数列:

[1, 3, 23, 69, 281, 843, 6463, 19389, 51071, 153213, 1174633, 3523899, 14350951, 43052853, 330071873, 990215619]

約数ペア:

[(1, 990215619), (3, 330071873), (23, 43052853), (69, 14350951), (281, 3523899), (843, 1174633), (6463, 153213), (19389, 51071)]