168804801

素因数分解:

$3^2\times {\mathrm{11}}^2\times {\mathrm{155009}}^1$

素因数の和:155037

約数の個数: 18

約数和(自身を含む): 268012290

約数和(自身を除く): 99207489

約数列:

[1, 3, 9, 11, 33, 99, 121, 363, 1089, 155009, 465027, 1395081, 1705099, 5115297, 15345891, 18756089, 56268267, 168804801]

約数ペア:

[(1, 168804801), (3, 56268267), (9, 18756089), (11, 15345891), (33, 5115297), (99, 1705099), (121, 1395081), (363, 465027), (1089, 155009)]