28723995

素因数分解:

$3^2\times 5^1\times {\mathrm{431}}^1\times {\mathrm{1481}}^1$

素因数の和:1923

約数の個数: 24

約数和(自身を含む): 49937472

約数和(自身を除く): 21213477

約数列:

[1, 3, 5, 9, 15, 45, 431, 1293, 1481, 2155, 3879, 4443, 6465, 7405, 13329, 19395, 22215, 66645, 638311, 1914933, 3191555, 5744799, 9574665, 28723995]

約数ペア:

[(1, 28723995), (3, 9574665), (5, 5744799), (9, 3191555), (15, 1914933), (45, 638311), (431, 66645), (1293, 22215), (1481, 19395), (2155, 13329), (3879, 7405), (4443, 6465)]