2168901

素因数分解:

$3^2\times 7^1\times {\mathrm{173}}^1\times {\mathrm{199}}^1$

素因数の和:385

約数の個数: 24

約数和(自身を含む): 3619200

約数和(自身を除く): 1450299

約数列:

[1, 3, 7, 9, 21, 63, 173, 199, 519, 597, 1211, 1393, 1557, 1791, 3633, 4179, 10899, 12537, 34427, 103281, 240989, 309843, 722967, 2168901]

約数ペア:

[(1, 2168901), (3, 722967), (7, 309843), (9, 240989), (21, 103281), (63, 34427), (173, 12537), (199, 10899), (519, 4179), (597, 3633), (1211, 1791), (1393, 1557)]