137250813

素因数分解:

$3^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{157}}^1\times {\mathrm{313}}^1$

素因数の和:506

約数の個数: 48

約数和(自身を含む): 226230720

約数和(自身を除く): 88979907

約数列:

[1, 3, 7, 19, 21, 49, 57, 133, 147, 157, 313, 399, 471, 931, 939, 1099, 2191, 2793, 2983, 3297, 5947, 6573, 7693, 8949, 15337, 17841, 20881, 23079, 41629, 46011, 49141, 62643, 124887, 146167, 147423, 291403, 343987, 438501, 874209, 933679, 1031961, 2407909, 2801037, 6535753, 7223727, 19607259, 45750271, 137250813]

約数ペア:

[(1, 137250813), (3, 45750271), (7, 19607259), (19, 7223727), (21, 6535753), (49, 2801037), (57, 2407909), (133, 1031961), (147, 933679), (157, 874209), (313, 438501), (399, 343987), (471, 291403), (931, 147423), (939, 146167), (1099, 124887), (2191, 62643), (2793, 49141), (2983, 46011), (3297, 41629), (5947, 23079), (6573, 20881), (7693, 17841), (8949, 15337)]