30720789

素因数分解:

$3^7\times {\mathrm{11}}^1\times {\mathrm{1277}}^1$

素因数の和:1309

約数の個数: 32

約数和(自身を含む): 50302080

約数和(自身を除く): 19581291

約数列:

[1, 3, 9, 11, 27, 33, 81, 99, 243, 297, 729, 891, 1277, 2187, 2673, 3831, 8019, 11493, 14047, 24057, 34479, 42141, 103437, 126423, 310311, 379269, 930933, 1137807, 2792799, 3413421, 10240263, 30720789]

約数ペア:

[(1, 30720789), (3, 10240263), (9, 3413421), (11, 2792799), (27, 1137807), (33, 930933), (81, 379269), (99, 310311), (243, 126423), (297, 103437), (729, 42141), (891, 34479), (1277, 24057), (2187, 14047), (2673, 11493), (3831, 8019)]