21800109

素因数分解:

$3^1\times {\mathrm{109}}^1\times {\mathrm{163}}^1\times {\mathrm{409}}^1$

素因数の和:684

約数の個数: 16

約数和(自身を含む): 29585600

約数和(自身を除く): 7785491

約数列:

[1, 3, 109, 163, 327, 409, 489, 1227, 17767, 44581, 53301, 66667, 133743, 200001, 7266703, 21800109]

約数ペア:

[(1, 21800109), (3, 7266703), (109, 200001), (163, 133743), (327, 66667), (409, 53301), (489, 44581), (1227, 17767)]