157568247

素因数分解:

$3^6\times {\mathrm{331}}^1\times {\mathrm{653}}^1$

素因数の和:1002

約数の個数: 28

約数和(自身を含む): 237320904

約数和(自身を除く): 79752657

約数列:

[1, 3, 9, 27, 81, 243, 331, 653, 729, 993, 1959, 2979, 5877, 8937, 17631, 26811, 52893, 80433, 158679, 216143, 241299, 476037, 648429, 1945287, 5835861, 17507583, 52522749, 157568247]

約数ペア:

[(1, 157568247), (3, 52522749), (9, 17507583), (27, 5835861), (81, 1945287), (243, 648429), (331, 476037), (653, 241299), (729, 216143), (993, 158679), (1959, 80433), (2979, 52893), (5877, 26811), (8937, 17631)]