2730021

素因数分解:

$3^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{1831}}^1$

素因数の和:1912

約数の個数: 16

約数和(自身を含む): 4220928

約数和(自身を除く): 1490907

約数列:

[1, 3, 7, 21, 71, 213, 497, 1491, 1831, 5493, 12817, 38451, 130001, 390003, 910007, 2730021]

約数ペア:

[(1, 2730021), (3, 910007), (7, 390003), (21, 130001), (71, 38451), (213, 12817), (497, 5493), (1491, 1831)]