15121998

素因数分解:

$2^1\times 3^3\times {\mathrm{280037}}^1$

素因数の和:280048

約数の個数: 16

約数和(自身を含む): 33604560

約数和(自身を除く): 18482562

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 280037, 560074, 840111, 1680222, 2520333, 5040666, 7560999, 15121998]

約数ペア:

[(1, 15121998), (2, 7560999), (3, 5040666), (6, 2520333), (9, 1680222), (18, 840111), (27, 560074), (54, 280037)]