16816491

素因数分解:

$3^4\times {\mathrm{29}}^1\times {\mathrm{7159}}^1$

素因数の和:7200

約数の個数: 20

約数和(自身を含む): 25990800

約数和(自身を除く): 9174309

約数列:

[1, 3, 9, 27, 29, 81, 87, 261, 783, 2349, 7159, 21477, 64431, 193293, 207611, 579879, 622833, 1868499, 5605497, 16816491]

約数ペア:

[(1, 16816491), (3, 5605497), (9, 1868499), (27, 622833), (29, 579879), (81, 207611), (87, 193293), (261, 64431), (783, 21477), (2349, 7159)]