11900115

素因数分解:

$3^4\times 5^1\times {\mathrm{29383}}^1$

素因数の和:29400

約数の個数: 20

約数和(自身を含む): 21332784

約数和(自身を除く): 9432669

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 29383, 88149, 146915, 264447, 440745, 793341, 1322235, 2380023, 3966705, 11900115]

約数ペア:

[(1, 11900115), (3, 3966705), (5, 2380023), (9, 1322235), (15, 793341), (27, 440745), (45, 264447), (81, 146915), (135, 88149), (405, 29383)]