16986105

素因数分解:

$3^4\times 5^1\times {\mathrm{41941}}^1$

素因数の和:41958

約数の個数: 20

約数和(自身を含む): 30449892

約数和(自身を除く): 13463787

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 41941, 125823, 209705, 377469, 629115, 1132407, 1887345, 3397221, 5662035, 16986105]

約数ペア:

[(1, 16986105), (3, 5662035), (5, 3397221), (9, 1887345), (15, 1132407), (27, 629115), (45, 377469), (81, 209705), (135, 125823), (405, 41941)]