208929721

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{208721}}^1$

素因数の和:208752

約数の個数: 16

約数和(自身を含む): 280522368

約数和(自身を除く): 71592647

約数列:

[1, 7, 11, 13, 77, 91, 143, 1001, 208721, 1461047, 2295931, 2713373, 16071517, 18993611, 29847103, 208929721]

約数ペア:

[(1, 208929721), (7, 29847103), (11, 18993611), (13, 16071517), (77, 2713373), (91, 2295931), (143, 1461047), (1001, 208721)]