1661133

素因数分解:

$3^1\times {\mathrm{43}}^1\times {\mathrm{79}}^1\times {\mathrm{163}}^1$

素因数の和:288

約数の個数: 16

約数和(自身を含む): 2309120

約数和(自身を除く): 647987

約数列:

[1, 3, 43, 79, 129, 163, 237, 489, 3397, 7009, 10191, 12877, 21027, 38631, 553711, 1661133]

約数ペア:

[(1, 1661133), (3, 553711), (43, 38631), (79, 21027), (129, 12877), (163, 10191), (237, 7009), (489, 3397)]