1628109

素因数分解:

$3^2\times 7^1\times {\mathrm{43}}^1\times {\mathrm{601}}^1$

素因数の和:657

約数の個数: 24

約数和(自身を含む): 2754752

約数和(自身を除く): 1126643

約数列:

[1, 3, 7, 9, 21, 43, 63, 129, 301, 387, 601, 903, 1803, 2709, 4207, 5409, 12621, 25843, 37863, 77529, 180901, 232587, 542703, 1628109]

約数ペア:

[(1, 1628109), (3, 542703), (7, 232587), (9, 180901), (21, 77529), (43, 37863), (63, 25843), (129, 12621), (301, 5409), (387, 4207), (601, 2709), (903, 1803)]