15287979

素因数分解:

$3^1\times 7^1\times {\mathrm{557}}^1\times {\mathrm{1307}}^1$

素因数の和:1874

約数の個数: 16

約数和(自身を含む): 23355648

約数和(自身を除く): 8067669

約数列:

[1, 3, 7, 21, 557, 1307, 1671, 3899, 3921, 9149, 11697, 27447, 727999, 2183997, 5095993, 15287979]

約数ペア:

[(1, 15287979), (3, 5095993), (7, 2183997), (21, 727999), (557, 27447), (1307, 11697), (1671, 9149), (3899, 3921)]