206959293

素因数分解:

$3^4\times {\mathrm{107}}^1\times {\mathrm{23879}}^1$

素因数の和:23998

約数の個数: 20

約数和(自身を含む): 312063840

約数和(自身を除く): 105104547

約数列:

[1, 3, 9, 27, 81, 107, 321, 963, 2889, 8667, 23879, 71637, 214911, 644733, 1934199, 2555053, 7665159, 22995477, 68986431, 206959293]

約数ペア:

[(1, 206959293), (3, 68986431), (9, 22995477), (27, 7665159), (81, 2555053), (107, 1934199), (321, 644733), (963, 214911), (2889, 71637), (8667, 23879)]