199976355

素因数分解:

$3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{261407}}^1$

素因数の和:261435

約数の個数: 24

約数和(自身を含む): 367016832

約数和(自身を除く): 167040477

約数列:

[1, 3, 5, 9, 15, 17, 45, 51, 85, 153, 255, 765, 261407, 784221, 1307035, 2352663, 3921105, 4443919, 11763315, 13331757, 22219595, 39995271, 66658785, 199976355]

約数ペア:

[(1, 199976355), (3, 66658785), (5, 39995271), (9, 22219595), (15, 13331757), (17, 11763315), (45, 4443919), (51, 3921105), (85, 2352663), (153, 1307035), (255, 784221), (765, 261407)]