28940739

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{59}}^1\times {\mathrm{7109}}^1$

素因数の和:7194

約数の個数: 16

約数和(自身を含む): 40953600

約数和(自身を除く): 12012861

約数列:

[1, 3, 23, 59, 69, 177, 1357, 4071, 7109, 21327, 163507, 419431, 490521, 1258293, 9646913, 28940739]

約数ペア:

[(1, 28940739), (3, 9646913), (23, 1258293), (59, 490521), (69, 419431), (177, 163507), (1357, 21327), (4071, 7109)]