28969887

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{241}}^1\times {\mathrm{2357}}^1$

素因数の和:2618

約数の個数: 16

約数和(自身を含む): 41085792

約数和(自身を除く): 12115905

約数列:

[1, 3, 17, 51, 241, 723, 2357, 4097, 7071, 12291, 40069, 120207, 568037, 1704111, 9656629, 28969887]

約数ペア:

[(1, 28969887), (3, 9656629), (17, 1704111), (51, 568037), (241, 120207), (723, 40069), (2357, 12291), (4097, 7071)]