201647439

素因数分解:

$3^2\times 7^1\times {\mathrm{139}}^1\times {\mathrm{23027}}^1$

素因数の和:23179

約数の個数: 24

約数和(自身を含む): 335287680

約数和(自身を除く): 133640241

約数列:

[1, 3, 7, 9, 21, 63, 139, 417, 973, 1251, 2919, 8757, 23027, 69081, 161189, 207243, 483567, 1450701, 3200753, 9602259, 22405271, 28806777, 67215813, 201647439]

約数ペア:

[(1, 201647439), (3, 67215813), (7, 28806777), (9, 22405271), (21, 9602259), (63, 3200753), (139, 1450701), (417, 483567), (973, 207243), (1251, 161189), (2919, 69081), (8757, 23027)]