8991321

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{311}}^1\times {\mathrm{419}}^1$

素因数の和:756

約数の個数: 16

約数和(自身を含む): 12579840

約数和(自身を除く): 3588519

約数列:

[1, 3, 23, 69, 311, 419, 933, 1257, 7153, 9637, 21459, 28911, 130309, 390927, 2997107, 8991321]

約数ペア:

[(1, 8991321), (3, 2997107), (23, 390927), (69, 130309), (311, 28911), (419, 21459), (933, 9637), (1257, 7153)]