7811349

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^2\times {\mathrm{31}}^1\times {\mathrm{71}}^1$

素因数の和:138

約数の個数: 48

約数和(自身を含む): 13492224

約数和(自身を除く): 5680875

約数列:

[1, 3, 7, 13, 21, 31, 39, 71, 91, 93, 169, 213, 217, 273, 403, 497, 507, 651, 923, 1183, 1209, 1491, 2201, 2769, 2821, 3549, 5239, 6461, 6603, 8463, 11999, 15407, 15717, 19383, 28613, 35997, 36673, 46221, 83993, 85839, 110019, 200291, 251979, 371969, 600873, 1115907, 2603783, 7811349]

約数ペア:

[(1, 7811349), (3, 2603783), (7, 1115907), (13, 600873), (21, 371969), (31, 251979), (39, 200291), (71, 110019), (91, 85839), (93, 83993), (169, 46221), (213, 36673), (217, 35997), (273, 28613), (403, 19383), (497, 15717), (507, 15407), (651, 11999), (923, 8463), (1183, 6603), (1209, 6461), (1491, 5239), (2201, 3549), (2769, 2821)]