207821327

素因数分解:

$7^1\times {\mathrm{61}}^1\times {\mathrm{179}}^1\times {\mathrm{2719}}^1$

素因数の和:2966

約数の個数: 16

約数和(自身を含む): 242841600

約数和(自身を除く): 35020273

約数列:

[1, 7, 61, 179, 427, 1253, 2719, 10919, 19033, 76433, 165859, 486701, 1161013, 3406907, 29688761, 207821327]

約数ペア:

[(1, 207821327), (7, 29688761), (61, 3406907), (179, 1161013), (427, 486701), (1253, 165859), (2719, 76433), (10919, 19033)]