28144347

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{73}}^1\times {\mathrm{1669}}^1$

素因数の和:1763

約数の個数: 32

約数和(自身を含む): 47454720

約数和(自身を除く): 19310373

約数列:

[1, 3, 7, 11, 21, 33, 73, 77, 219, 231, 511, 803, 1533, 1669, 2409, 5007, 5621, 11683, 16863, 18359, 35049, 55077, 121837, 128513, 365511, 385539, 852859, 1340207, 2558577, 4020621, 9381449, 28144347]

約数ペア:

[(1, 28144347), (3, 9381449), (7, 4020621), (11, 2558577), (21, 1340207), (33, 852859), (73, 385539), (77, 365511), (219, 128513), (231, 121837), (511, 55077), (803, 35049), (1533, 18359), (1669, 16863), (2409, 11683), (5007, 5621)]