18072801

素因数分解:

$3^4\times {\mathrm{347}}^1\times {\mathrm{643}}^1$

素因数の和:1002

約数の個数: 20

約数和(自身を含む): 27117552

約数和(自身を除く): 9044751

約数列:

[1, 3, 9, 27, 81, 347, 643, 1041, 1929, 3123, 5787, 9369, 17361, 28107, 52083, 223121, 669363, 2008089, 6024267, 18072801]

約数ペア:

[(1, 18072801), (3, 6024267), (9, 2008089), (27, 669363), (81, 223121), (347, 52083), (643, 28107), (1041, 17361), (1929, 9369), (3123, 5787)]