28320867

素因数分解:

$3^3\times {\mathrm{107}}^1\times {\mathrm{9803}}^1$

素因数の和:9919

約数の個数: 16

約数和(自身を含む): 42353280

約数和(自身を除く): 14032413

約数列:

[1, 3, 9, 27, 107, 321, 963, 2889, 9803, 29409, 88227, 264681, 1048921, 3146763, 9440289, 28320867]

約数ペア:

[(1, 28320867), (3, 9440289), (9, 3146763), (27, 1048921), (107, 264681), (321, 88227), (963, 29409), (2889, 9803)]