15748263

素因数分解:

$3^4\times {\mathrm{199}}^1\times {\mathrm{977}}^1$

素因数の和:1188

約数の個数: 20

約数和(自身を含む): 23667600

約数和(自身を除く): 7919337

約数列:

[1, 3, 9, 27, 81, 199, 597, 977, 1791, 2931, 5373, 8793, 16119, 26379, 79137, 194423, 583269, 1749807, 5249421, 15748263]

約数ペア:

[(1, 15748263), (3, 5249421), (9, 1749807), (27, 583269), (81, 194423), (199, 79137), (597, 26379), (977, 16119), (1791, 8793), (2931, 5373)]