208052481

素因数分解:

$3^1\times 7^3\times {\mathrm{13}}^1\times {\mathrm{103}}^1\times {\mathrm{151}}^1$

素因数の和:291

約数の個数: 64

約数和(自身を含む): 354099200

約数和(自身を除く): 146046719

約数列:

[1, 3, 7, 13, 21, 39, 49, 91, 103, 147, 151, 273, 309, 343, 453, 637, 721, 1029, 1057, 1339, 1911, 1963, 2163, 3171, 4017, 4459, 5047, 5889, 7399, 9373, 13377, 13741, 15141, 15553, 22197, 28119, 35329, 41223, 46659, 51793, 65611, 96187, 105987, 108871, 155379, 196833, 202189, 288561, 326613, 459277, 606567, 673309, 762097, 1377831, 1415323, 2019927, 2286291, 4245969, 5334679, 9907261, 16004037, 29721783, 69350827, 208052481]

約数ペア:

[(1, 208052481), (3, 69350827), (7, 29721783), (13, 16004037), (21, 9907261), (39, 5334679), (49, 4245969), (91, 2286291), (103, 2019927), (147, 1415323), (151, 1377831), (273, 762097), (309, 673309), (343, 606567), (453, 459277), (637, 326613), (721, 288561), (1029, 202189), (1057, 196833), (1339, 155379), (1911, 108871), (1963, 105987), (2163, 96187), (3171, 65611), (4017, 51793), (4459, 46659), (5047, 41223), (5889, 35329), (7399, 28119), (9373, 22197), (13377, 15553), (13741, 15141)]