30405972

素因数分解:

$2^2\times 3^1\times {\mathrm{139}}^1\times {\mathrm{18229}}^1$

素因数の和:18375

約数の個数: 24

約数和(自身を含む): 71461600

約数和(自身を除く): 41055628

約数列:

[1, 2, 3, 4, 6, 12, 139, 278, 417, 556, 834, 1668, 18229, 36458, 54687, 72916, 109374, 218748, 2533831, 5067662, 7601493, 10135324, 15202986, 30405972]

約数ペア:

[(1, 30405972), (2, 15202986), (3, 10135324), (4, 7601493), (6, 5067662), (12, 2533831), (139, 218748), (278, 109374), (417, 72916), (556, 54687), (834, 36458), (1668, 18229)]