400401855

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{1271117}}^1$

素因数の和:1271135

約数の個数: 24

約数和(自身を含む): 793177632

約数和(自身を除く): 392775777

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 45, 63, 105, 315, 1271117, 3813351, 6355585, 8897819, 11440053, 19066755, 26693457, 44489095, 57200265, 80080371, 133467285, 400401855]

約数ペア:

[(1, 400401855), (3, 133467285), (5, 80080371), (7, 57200265), (9, 44489095), (15, 26693457), (21, 19066755), (35, 11440053), (45, 8897819), (63, 6355585), (105, 3813351), (315, 1271117)]