28730121

素因数分解:

$3^1\times 7^2\times {\mathrm{195443}}^1$

素因数の和:195460

約数の個数: 12

約数和(自身を含む): 44561232

約数和(自身を除く): 15831111

約数列:

[1, 3, 7, 21, 49, 147, 195443, 586329, 1368101, 4104303, 9576707, 28730121]

約数ペア:

[(1, 28730121), (3, 9576707), (7, 4104303), (21, 1368101), (49, 586329), (147, 195443)]