209980991

素因数分解:

${\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{353}}^1\times {\mathrm{3181}}^1$

素因数の和:3562

約数の個数: 16

約数和(自身を含む): 243308448

約数和(自身を除く): 33327457

約数列:

[1, 11, 17, 187, 353, 3181, 3883, 6001, 34991, 54077, 66011, 594847, 1122893, 12351823, 19089181, 209980991]

約数ペア:

[(1, 209980991), (11, 19089181), (17, 12351823), (187, 1122893), (353, 594847), (3181, 66011), (3883, 54077), (6001, 34991)]