245641389

素因数分解:

$3^1\times 7^1\times {\mathrm{331}}^1\times {\mathrm{35339}}^1$

素因数の和:35680

約数の個数: 16

約数和(自身を含む): 375452160

約数和(自身を除く): 129810771

約数列:

[1, 3, 7, 21, 331, 993, 2317, 6951, 35339, 106017, 247373, 742119, 11697209, 35091627, 81880463, 245641389]

約数ペア:

[(1, 245641389), (3, 81880463), (7, 35091627), (21, 11697209), (331, 742119), (993, 247373), (2317, 106017), (6951, 35339)]