30456981

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{277}}^1\times {\mathrm{643}}^1$

素因数の和:945

約数の個数: 24

約数和(自身を含む): 46548320

約数和(自身を除く): 16091339

約数列:

[1, 3, 9, 19, 57, 171, 277, 643, 831, 1929, 2493, 5263, 5787, 12217, 15789, 36651, 47367, 109953, 178111, 534333, 1602999, 3384109, 10152327, 30456981]

約数ペア:

[(1, 30456981), (3, 10152327), (9, 3384109), (19, 1602999), (57, 534333), (171, 178111), (277, 109953), (643, 47367), (831, 36651), (1929, 15789), (2493, 12217), (5263, 5787)]