254919

素因数分解:

$3^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{199}}^1$

素因数の和:270

約数の個数: 16

約数和(自身を含む): 396800

約数和(自身を除く): 141881

約数列:

[1, 3, 7, 21, 61, 183, 199, 427, 597, 1281, 1393, 4179, 12139, 36417, 84973, 254919]

約数ペア:

[(1, 254919), (3, 84973), (7, 36417), (21, 12139), (61, 4179), (183, 1393), (199, 1281), (427, 597)]