20170520937

素因数分解:

$3^6\times 7^1\times {\mathrm{3952679}}^1$

素因数の和:3952704

約数の個数: 28

約数和(自身を含む): 34562233920

約数和(自身を除く): 14391712983

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 243, 567, 729, 1701, 5103, 3952679, 11858037, 27668753, 35574111, 83006259, 106722333, 249018777, 320166999, 747056331, 960500997, 2241168993, 2881502991, 6723506979, 20170520937]

約数ペア:

[(1, 20170520937), (3, 6723506979), (7, 2881502991), (9, 2241168993), (21, 960500997), (27, 747056331), (63, 320166999), (81, 249018777), (189, 106722333), (243, 83006259), (567, 35574111), (729, 27668753), (1701, 11858037), (5103, 3952679)]