245045955

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{212161}}^1$

素因数の和:212187

約数の個数: 32

約数和(自身を含む): 488821248

約数和(自身を除く): 243775293

約数列:

[1, 3, 5, 7, 11, 15, 21, 33, 35, 55, 77, 105, 165, 231, 385, 1155, 212161, 636483, 1060805, 1485127, 2333771, 3182415, 4455381, 7001313, 7425635, 11668855, 16336397, 22276905, 35006565, 49009191, 81681985, 245045955]

約数ペア:

[(1, 245045955), (3, 81681985), (5, 49009191), (7, 35006565), (11, 22276905), (15, 16336397), (21, 11668855), (33, 7425635), (35, 7001313), (55, 4455381), (77, 3182415), (105, 2333771), (165, 1485127), (231, 1060805), (385, 636483), (1155, 212161)]