16860543

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{42257}}^1$

素因数の和:42286

約数の個数: 16

約数和(自身を含む): 27045120

約数和(自身を除く): 10184577

約数列:

[1, 3, 7, 19, 21, 57, 133, 399, 42257, 126771, 295799, 802883, 887397, 2408649, 5620181, 16860543]

約数ペア:

[(1, 16860543), (3, 5620181), (7, 2408649), (19, 887397), (21, 802883), (57, 295799), (133, 126771), (399, 42257)]