187677

素因数分解:

$3^4\times 7^1\times {\mathrm{331}}^1$

素因数の和:350

約数の個数: 20

約数和(自身を含む): 321376

約数和(自身を除く): 133699

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 331, 567, 993, 2317, 2979, 6951, 8937, 20853, 26811, 62559, 187677]

約数ペア:

[(1, 187677), (3, 62559), (7, 26811), (9, 20853), (21, 8937), (27, 6951), (63, 2979), (81, 2317), (189, 993), (331, 567)]