1657973853

素因数分解:

$3^4\times {\mathrm{1109}}^1\times {\mathrm{18457}}^1$

素因数の和:19578

約数の個数: 20

約数和(自身を含む): 2479093980

約数和(自身を除く): 821120127

約数列:

[1, 3, 9, 27, 81, 1109, 3327, 9981, 18457, 29943, 55371, 89829, 166113, 498339, 1495017, 20468813, 61406439, 184219317, 552657951, 1657973853]

約数ペア:

[(1, 1657973853), (3, 552657951), (9, 184219317), (27, 61406439), (81, 20468813), (1109, 1495017), (3327, 498339), (9981, 166113), (18457, 89829), (29943, 55371)]