201571323

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{193}}^1\times {\mathrm{251}}^1$

素因数の和:539

約数の個数: 32

約数和(自身を含む): 289416960

約数和(自身を除く): 87845637

約数列:

[1, 3, 19, 57, 73, 193, 219, 251, 579, 753, 1387, 3667, 4161, 4769, 11001, 14089, 14307, 18323, 42267, 48443, 54969, 145329, 267691, 348137, 803073, 920417, 1044411, 2761251, 3536339, 10609017, 67190441, 201571323]

約数ペア:

[(1, 201571323), (3, 67190441), (19, 10609017), (57, 3536339), (73, 2761251), (193, 1044411), (219, 920417), (251, 803073), (579, 348137), (753, 267691), (1387, 145329), (3667, 54969), (4161, 48443), (4769, 42267), (11001, 18323), (14089, 14307)]