28765791

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{149}}^1\times {\mathrm{1129}}^1$

素因数の和:1303

約数の個数: 24

約数和(自身を含む): 44070000

約数和(自身を除く): 15304209

約数列:

[1, 3, 9, 19, 57, 149, 171, 447, 1129, 1341, 2831, 3387, 8493, 10161, 21451, 25479, 64353, 168221, 193059, 504663, 1513989, 3196199, 9588597, 28765791]

約数ペア:

[(1, 28765791), (3, 9588597), (9, 3196199), (19, 1513989), (57, 504663), (149, 193059), (171, 168221), (447, 64353), (1129, 25479), (1341, 21451), (2831, 10161), (3387, 8493)]