15213219

素因数分解:

$3^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{23369}}^1$

素因数の和:23410

約数の個数: 16

約数和(自身を含む): 23930880

約数和(自身を除く): 8717661

約数列:

[1, 3, 7, 21, 31, 93, 217, 651, 23369, 70107, 163583, 490749, 724439, 2173317, 5071073, 15213219]

約数ペア:

[(1, 15213219), (3, 5071073), (7, 2173317), (21, 724439), (31, 490749), (93, 163583), (217, 70107), (651, 23369)]