51808155

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{25969}}^1$

素因数の和:26003

約数の個数: 32

約数和(自身を含む): 99724800

約数和(自身を除く): 47916645

約数列:

[1, 3, 5, 7, 15, 19, 21, 35, 57, 95, 105, 133, 285, 399, 665, 1995, 25969, 77907, 129845, 181783, 389535, 493411, 545349, 908915, 1480233, 2467055, 2726745, 3453877, 7401165, 10361631, 17269385, 51808155]

約数ペア:

[(1, 51808155), (3, 17269385), (5, 10361631), (7, 7401165), (15, 3453877), (19, 2726745), (21, 2467055), (35, 1480233), (57, 908915), (95, 545349), (105, 493411), (133, 389535), (285, 181783), (399, 129845), (665, 77907), (1995, 25969)]