2678739

素因数分解:

$3^1\times 7^1\times {\mathrm{199}}^1\times {\mathrm{641}}^1$

素因数の和:850

約数の個数: 16

約数和(自身を含む): 4108800

約数和(自身を除く): 1430061

約数列:

[1, 3, 7, 21, 199, 597, 641, 1393, 1923, 4179, 4487, 13461, 127559, 382677, 892913, 2678739]

約数ペア:

[(1, 2678739), (3, 892913), (7, 382677), (21, 127559), (199, 13461), (597, 4487), (641, 4179), (1393, 1923)]