172294857

素因数分解:

$3^4\times 7^1\times {\mathrm{303871}}^1$

素因数の和:303890

約数の個数: 20

約数和(自身を含む): 294148096

約数和(自身を除く): 121853239

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 567, 303871, 911613, 2127097, 2734839, 6381291, 8204517, 19143873, 24613551, 57431619, 172294857]

約数ペア:

[(1, 172294857), (3, 57431619), (7, 24613551), (9, 19143873), (21, 8204517), (27, 6381291), (63, 2734839), (81, 2127097), (189, 911613), (567, 303871)]