217236421

素因数分解:

${\mathrm{17}}^1\times {\mathrm{127}}^1\times {\mathrm{239}}^1\times {\mathrm{421}}^1$

素因数の和:804

約数の個数: 16

約数和(自身を含む): 233349120

約数和(自身を除く): 16112699

約数列:

[1, 17, 127, 239, 421, 2159, 4063, 7157, 30353, 53467, 100619, 516001, 908939, 1710523, 12778613, 217236421]

約数ペア:

[(1, 217236421), (17, 12778613), (127, 1710523), (239, 908939), (421, 516001), (2159, 100619), (4063, 53467), (7157, 30353)]