206561271

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{578603}}^1$

素因数の和:578630

約数の個数: 16

約数和(自身を含む): 333275904

約数和(自身を除く): 126714633

約数列:

[1, 3, 7, 17, 21, 51, 119, 357, 578603, 1735809, 4050221, 9836251, 12150663, 29508753, 68853757, 206561271]

約数ペア:

[(1, 206561271), (3, 68853757), (7, 29508753), (17, 12150663), (21, 9836251), (51, 4050221), (119, 1735809), (357, 578603)]