28561515

素因数分解:

$3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{82787}}^1$

素因数の和:82818

約数の個数: 16

約数和(自身を含む): 47685888

約数和(自身を除く): 19124373

約数列:

[1, 3, 5, 15, 23, 69, 115, 345, 82787, 248361, 413935, 1241805, 1904101, 5712303, 9520505, 28561515]

約数ペア:

[(1, 28561515), (3, 9520505), (5, 5712303), (15, 1904101), (23, 1241805), (69, 413935), (115, 248361), (345, 82787)]