260987103

素因数分解:

$3^6\times {\mathrm{13}}^1\times {\mathrm{27539}}^1$

素因数の和:27570

約数の個数: 28

約数和(自身を含む): 421417080

約数和(自身を除く): 160429977

約数列:

[1, 3, 9, 13, 27, 39, 81, 117, 243, 351, 729, 1053, 3159, 9477, 27539, 82617, 247851, 358007, 743553, 1074021, 2230659, 3222063, 6691977, 9666189, 20075931, 28998567, 86995701, 260987103]

約数ペア:

[(1, 260987103), (3, 86995701), (9, 28998567), (13, 20075931), (27, 9666189), (39, 6691977), (81, 3222063), (117, 2230659), (243, 1074021), (351, 743553), (729, 358007), (1053, 247851), (3159, 82617), (9477, 27539)]