15941247

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{39953}}^1$

素因数の和:39982

約数の個数: 16

約数和(自身を含む): 25570560

約数和(自身を除く): 9629313

約数列:

[1, 3, 7, 19, 21, 57, 133, 399, 39953, 119859, 279671, 759107, 839013, 2277321, 5313749, 15941247]

約数ペア:

[(1, 15941247), (3, 5313749), (7, 2277321), (19, 839013), (21, 759107), (57, 279671), (133, 119859), (399, 39953)]