17212855

素因数分解:

$5^1\times {\mathrm{11}}^2\times {\mathrm{23}}^1\times {\mathrm{1237}}^1$

素因数の和:1287

約数の個数: 24

約数和(自身を含む): 23710176

約数和(自身を除く): 6497321

約数列:

[1, 5, 11, 23, 55, 115, 121, 253, 605, 1237, 1265, 2783, 6185, 13607, 13915, 28451, 68035, 142255, 149677, 312961, 748385, 1564805, 3442571, 17212855]

約数ペア:

[(1, 17212855), (5, 3442571), (11, 1564805), (23, 748385), (55, 312961), (115, 149677), (121, 142255), (253, 68035), (605, 28451), (1237, 13915), (1265, 13607), (2783, 6185)]