258889155

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{129769}}^1$

素因数の和:129803

約数の個数: 32

約数和(自身を含む): 498316800

約数和(自身を除く): 239427645

約数列:

[1, 3, 5, 7, 15, 19, 21, 35, 57, 95, 105, 133, 285, 399, 665, 1995, 129769, 389307, 648845, 908383, 1946535, 2465611, 2725149, 4541915, 7396833, 12328055, 13625745, 17259277, 36984165, 51777831, 86296385, 258889155]

約数ペア:

[(1, 258889155), (3, 86296385), (5, 51777831), (7, 36984165), (15, 17259277), (19, 13625745), (21, 12328055), (35, 7396833), (57, 4541915), (95, 2725149), (105, 2465611), (133, 1946535), (285, 908383), (399, 648845), (665, 389307), (1995, 129769)]