28411185

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{409}}^1\times {\mathrm{421}}^1$

素因数の和:849

約数の個数: 32

約数和(自身を含む): 49829760

約数和(自身を除く): 21418575

約数列:

[1, 3, 5, 11, 15, 33, 55, 165, 409, 421, 1227, 1263, 2045, 2105, 4499, 4631, 6135, 6315, 13497, 13893, 22495, 23155, 67485, 69465, 172189, 516567, 860945, 1894079, 2582835, 5682237, 9470395, 28411185]

約数ペア:

[(1, 28411185), (3, 9470395), (5, 5682237), (11, 2582835), (15, 1894079), (33, 860945), (55, 516567), (165, 172189), (409, 69465), (421, 67485), (1227, 23155), (1263, 22495), (2045, 13893), (2105, 13497), (4499, 6315), (4631, 6135)]