25205439

素因数分解:

$3^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{103}}^1\times {\mathrm{271}}^1$

素因数の和:427

約数の個数: 32

約数和(自身を含む): 39829504

約数和(自身を除く): 14624065

約数列:

[1, 3, 7, 21, 43, 103, 129, 271, 301, 309, 721, 813, 903, 1897, 2163, 4429, 5691, 11653, 13287, 27913, 31003, 34959, 81571, 83739, 93009, 195391, 244713, 586173, 1200259, 3600777, 8401813, 25205439]

約数ペア:

[(1, 25205439), (3, 8401813), (7, 3600777), (21, 1200259), (43, 586173), (103, 244713), (129, 195391), (271, 93009), (301, 83739), (309, 81571), (721, 34959), (813, 31003), (903, 27913), (1897, 13287), (2163, 11653), (4429, 5691)]