209850903

素因数分解:

$3^2\times {\mathrm{53}}^1\times {\mathrm{173}}^1\times {\mathrm{2543}}^1$

素因数の和:2775

約数の個数: 24

約数和(自身を含む): 310744512

約数和(自身を除く): 100893609

約数列:

[1, 3, 9, 53, 159, 173, 477, 519, 1557, 2543, 7629, 9169, 22887, 27507, 82521, 134779, 404337, 439939, 1213011, 1319817, 3959451, 23316767, 69950301, 209850903]

約数ペア:

[(1, 209850903), (3, 69950301), (9, 23316767), (53, 3959451), (159, 1319817), (173, 1213011), (477, 439939), (519, 404337), (1557, 134779), (2543, 82521), (7629, 27507), (9169, 22887)]