213712911

素因数分解:

$3^6\times {\mathrm{71}}^1\times {\mathrm{4129}}^1$

素因数の和:4218

約数の個数: 28

約数和(自身を含む): 325014480

約数和(自身を除く): 111301569

約数列:

[1, 3, 9, 27, 71, 81, 213, 243, 639, 729, 1917, 4129, 5751, 12387, 17253, 37161, 51759, 111483, 293159, 334449, 879477, 1003347, 2638431, 3010041, 7915293, 23745879, 71237637, 213712911]

約数ペア:

[(1, 213712911), (3, 71237637), (9, 23745879), (27, 7915293), (71, 3010041), (81, 2638431), (213, 1003347), (243, 879477), (639, 334449), (729, 293159), (1917, 111483), (4129, 51759), (5751, 37161), (12387, 17253)]