11187981

素因数分解:

$3^2\times 7^1\times {\mathrm{257}}^1\times {\mathrm{691}}^1$

素因数の和:961

約数の個数: 24

約数和(自身を含む): 18567744

約数和(自身を除く): 7379763

約数列:

[1, 3, 7, 9, 21, 63, 257, 691, 771, 1799, 2073, 2313, 4837, 5397, 6219, 14511, 16191, 43533, 177587, 532761, 1243109, 1598283, 3729327, 11187981]

約数ペア:

[(1, 11187981), (3, 3729327), (7, 1598283), (9, 1243109), (21, 532761), (63, 177587), (257, 43533), (691, 16191), (771, 14511), (1799, 6219), (2073, 5397), (2313, 4837)]