1971249

素因数分解:

$3^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{59}}^1$

素因数の和:149

約数の個数: 32

約数和(自身を含む): 3210240

約数和(自身を除く): 1238991

約数列:

[1, 3, 7, 21, 37, 43, 59, 111, 129, 177, 259, 301, 413, 777, 903, 1239, 1591, 2183, 2537, 4773, 6549, 7611, 11137, 15281, 17759, 33411, 45843, 53277, 93869, 281607, 657083, 1971249]

約数ペア:

[(1, 1971249), (3, 657083), (7, 281607), (21, 93869), (37, 53277), (43, 45843), (59, 33411), (111, 17759), (129, 15281), (177, 11137), (259, 7611), (301, 6549), (413, 4773), (777, 2537), (903, 2183), (1239, 1591)]