168974673

素因数分解:

$3^1\times 7^1\times {\mathrm{131}}^1\times {\mathrm{239}}^1\times {\mathrm{257}}^1$

素因数の和:637

約数の個数: 32

約数和(自身を含む): 261550080

約数和(自身を除く): 92575407

約数列:

[1, 3, 7, 21, 131, 239, 257, 393, 717, 771, 917, 1673, 1799, 2751, 5019, 5397, 31309, 33667, 61423, 93927, 101001, 184269, 219163, 235669, 429961, 657489, 707007, 1289883, 8046413, 24139239, 56324891, 168974673]

約数ペア:

[(1, 168974673), (3, 56324891), (7, 24139239), (21, 8046413), (131, 1289883), (239, 707007), (257, 657489), (393, 429961), (717, 235669), (771, 219163), (917, 184269), (1673, 101001), (1799, 93927), (2751, 61423), (5019, 33667), (5397, 31309)]