12947355

素因数分解:

$3^2\times 5^1\times {\mathrm{149}}^1\times {\mathrm{1931}}^1$

素因数の和:2091

約数の個数: 24

約数和(自身を含む): 22604400

約数和(自身を除く): 9657045

約数列:

[1, 3, 5, 9, 15, 45, 149, 447, 745, 1341, 1931, 2235, 5793, 6705, 9655, 17379, 28965, 86895, 287719, 863157, 1438595, 2589471, 4315785, 12947355]

約数ペア:

[(1, 12947355), (3, 4315785), (5, 2589471), (9, 1438595), (15, 863157), (45, 287719), (149, 86895), (447, 28965), (745, 17379), (1341, 9655), (1931, 6705), (2235, 5793)]