815989437

素因数分解:

$3^3\times {\mathrm{131}}^1\times {\mathrm{281}}^1\times {\mathrm{821}}^1$

素因数の和:1242

約数の個数: 32

約数和(自身を含む): 1223925120

約数和(自身を除く): 407935683

約数列:

[1, 3, 9, 27, 131, 281, 393, 821, 843, 1179, 2463, 2529, 3537, 7389, 7587, 22167, 36811, 107551, 110433, 230701, 322653, 331299, 692103, 967959, 993897, 2076309, 2903877, 6228927, 30221831, 90665493, 271996479, 815989437]

約数ペア:

[(1, 815989437), (3, 271996479), (9, 90665493), (27, 30221831), (131, 6228927), (281, 2903877), (393, 2076309), (821, 993897), (843, 967959), (1179, 692103), (2463, 331299), (2529, 322653), (3537, 230701), (7389, 110433), (7587, 107551), (22167, 36811)]