17930871

素因数分解:

$3^2\times 7^1\times {\mathrm{43}}^1\times {\mathrm{6619}}^1$

素因数の和:6675

約数の個数: 24

約数和(自身を含む): 30293120

約数和(自身を除く): 12362249

約数列:

[1, 3, 7, 9, 21, 43, 63, 129, 301, 387, 903, 2709, 6619, 19857, 46333, 59571, 138999, 284617, 416997, 853851, 1992319, 2561553, 5976957, 17930871]

約数ペア:

[(1, 17930871), (3, 5976957), (7, 2561553), (9, 1992319), (21, 853851), (43, 416997), (63, 284617), (129, 138999), (301, 59571), (387, 46333), (903, 19857), (2709, 6619)]