201380781

素因数分解:

$3^1\times 7^1\times {\mathrm{181}}^1\times {\mathrm{52981}}^1$

素因数の和:53172

約数の個数: 16

約数和(自身を含む): 308567168

約数和(自身を除く): 107186387

約数列:

[1, 3, 7, 21, 181, 543, 1267, 3801, 52981, 158943, 370867, 1112601, 9589561, 28768683, 67126927, 201380781]

約数ペア:

[(1, 201380781), (3, 67126927), (7, 28768683), (21, 9589561), (181, 1112601), (543, 370867), (1267, 158943), (3801, 52981)]