243399219

素因数分解:

$3^1\times 7^2\times {\mathrm{509}}^1\times {\mathrm{3253}}^1$

素因数の和:3779

約数の個数: 24

約数和(自身を含む): 378375120

約数和(自身を除く): 134975901

約数列:

[1, 3, 7, 21, 49, 147, 509, 1527, 3253, 3563, 9759, 10689, 22771, 24941, 68313, 74823, 159397, 478191, 1655777, 4967331, 11590439, 34771317, 81133073, 243399219]

約数ペア:

[(1, 243399219), (3, 81133073), (7, 34771317), (21, 11590439), (49, 4967331), (147, 1655777), (509, 478191), (1527, 159397), (3253, 74823), (3563, 68313), (9759, 24941), (10689, 22771)]