31507311

素因数分解:

$3^1\times {\mathrm{11}}^2\times {\mathrm{29}}^1\times {\mathrm{41}}^1\times {\mathrm{73}}^1$

素因数の和:168

約数の個数: 48

約数和(自身を含む): 49603680

約数和(自身を除く): 18096369

約数列:

[1, 3, 11, 29, 33, 41, 73, 87, 121, 123, 219, 319, 363, 451, 803, 957, 1189, 1353, 2117, 2409, 2993, 3509, 3567, 4961, 6351, 8833, 8979, 10527, 13079, 14883, 23287, 26499, 32923, 39237, 69861, 86797, 98769, 143869, 256157, 260391, 362153, 431607, 768471, 954767, 1086459, 2864301, 10502437, 31507311]

約数ペア:

[(1, 31507311), (3, 10502437), (11, 2864301), (29, 1086459), (33, 954767), (41, 768471), (73, 431607), (87, 362153), (121, 260391), (123, 256157), (219, 143869), (319, 98769), (363, 86797), (451, 69861), (803, 39237), (957, 32923), (1189, 26499), (1353, 23287), (2117, 14883), (2409, 13079), (2993, 10527), (3509, 8979), (3567, 8833), (4961, 6351)]