28186347

素因数分解:

$3^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{1493}}^1$

素因数の和:1563

約数の個数: 32

約数和(自身を含む): 45895680

約数和(自身を除く): 17709333

約数列:

[1, 3, 7, 21, 29, 31, 87, 93, 203, 217, 609, 651, 899, 1493, 2697, 4479, 6293, 10451, 18879, 31353, 43297, 46283, 129891, 138849, 303079, 323981, 909237, 971943, 1342207, 4026621, 9395449, 28186347]

約数ペア:

[(1, 28186347), (3, 9395449), (7, 4026621), (21, 1342207), (29, 971943), (31, 909237), (87, 323981), (93, 303079), (203, 138849), (217, 129891), (609, 46283), (651, 43297), (899, 31353), (1493, 18879), (2697, 10451), (4479, 6293)]