200172903

素因数分解:

$3^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{307}}^1\times {\mathrm{509}}^1$

素因数の和:887

約数の個数: 32

約数和(自身を含む): 311646720

約数和(自身を除く): 111473817

約数列:

[1, 3, 7, 21, 61, 183, 307, 427, 509, 921, 1281, 1527, 2149, 3563, 6447, 10689, 18727, 31049, 56181, 93147, 131089, 156263, 217343, 393267, 468789, 652029, 1093841, 3281523, 9532043, 28596129, 66724301, 200172903]

約数ペア:

[(1, 200172903), (3, 66724301), (7, 28596129), (21, 9532043), (61, 3281523), (183, 1093841), (307, 652029), (427, 468789), (509, 393267), (921, 217343), (1281, 156263), (1527, 131089), (2149, 93147), (3563, 56181), (6447, 31049), (10689, 18727)]