15311121

素因数分解:

$3^1\times 7^1\times {\mathrm{109}}^1\times {\mathrm{6689}}^1$

素因数の和:6808

約数の個数: 16

約数和(自身を含む): 23548800

約数和(自身を除く): 8237679

約数列:

[1, 3, 7, 21, 109, 327, 763, 2289, 6689, 20067, 46823, 140469, 729101, 2187303, 5103707, 15311121]

約数ペア:

[(1, 15311121), (3, 5103707), (7, 2187303), (21, 729101), (109, 140469), (327, 46823), (763, 20067), (2289, 6689)]