243663

素因数分解:

$3^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{283}}^1$

素因数の和:334

約数の個数: 16

約数和(自身を含む): 381696

約数和(自身を除く): 138033

約数列:

[1, 3, 7, 21, 41, 123, 283, 287, 849, 861, 1981, 5943, 11603, 34809, 81221, 243663]

約数ペア:

[(1, 243663), (3, 81221), (7, 34809), (21, 11603), (41, 5943), (123, 1981), (283, 861), (287, 849)]