200722221

素因数分解:

$3^2\times 7^1\times {\mathrm{149}}^1\times {\mathrm{21383}}^1$

素因数の和:21545

約数の個数: 24

約数和(自身を含む): 333590400

約数和(自身を除く): 132868179

約数列:

[1, 3, 7, 9, 21, 63, 149, 447, 1043, 1341, 3129, 9387, 21383, 64149, 149681, 192447, 449043, 1347129, 3186067, 9558201, 22302469, 28674603, 66907407, 200722221]

約数ペア:

[(1, 200722221), (3, 66907407), (7, 28674603), (9, 22302469), (21, 9558201), (63, 3186067), (149, 1347129), (447, 449043), (1043, 192447), (1341, 149681), (3129, 64149), (9387, 21383)]