81057515

素因数分解:

$5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{1583}}^1$

素因数の和:1632

約数の個数: 48

約数和(自身を含む): 130014720

約数和(自身を除く): 48957205

約数列:

[1, 5, 7, 11, 19, 35, 49, 55, 77, 95, 133, 209, 245, 385, 539, 665, 931, 1045, 1463, 1583, 2695, 4655, 7315, 7915, 10241, 11081, 17413, 30077, 51205, 55405, 77567, 87065, 121891, 150385, 210539, 330847, 387835, 609455, 853237, 1052695, 1473773, 1654235, 2315929, 4266185, 7368865, 11579645, 16211503, 81057515]

約数ペア:

[(1, 81057515), (5, 16211503), (7, 11579645), (11, 7368865), (19, 4266185), (35, 2315929), (49, 1654235), (55, 1473773), (77, 1052695), (95, 853237), (133, 609455), (209, 387835), (245, 330847), (385, 210539), (539, 150385), (665, 121891), (931, 87065), (1045, 77567), (1463, 55405), (1583, 51205), (2695, 30077), (4655, 17413), (7315, 11081), (7915, 10241)]