207870219

素因数分解:

$3^5\times {\mathrm{443}}^1\times {\mathrm{1931}}^1$

素因数の和:2389

約数の個数: 24

約数和(自身を含む): 312242112

約数和(自身を除く): 104371893

約数列:

[1, 3, 9, 27, 81, 243, 443, 1329, 1931, 3987, 5793, 11961, 17379, 35883, 52137, 107649, 156411, 469233, 855433, 2566299, 7698897, 23096691, 69290073, 207870219]

約数ペア:

[(1, 207870219), (3, 69290073), (9, 23096691), (27, 7698897), (81, 2566299), (243, 855433), (443, 469233), (1329, 156411), (1931, 107649), (3987, 52137), (5793, 35883), (11961, 17379)]