208025727

素因数分解:

$3^1\times 7^3\times {\mathrm{13}}^1\times {\mathrm{15551}}^1$

素因数の和:15588

約数の個数: 32

約数和(自身を含む): 348364800

約数和(自身を除く): 140339073

約数列:

[1, 3, 7, 13, 21, 39, 49, 91, 147, 273, 343, 637, 1029, 1911, 4459, 13377, 15551, 46653, 108857, 202163, 326571, 606489, 761999, 1415141, 2285997, 4245423, 5333993, 9905987, 16001979, 29717961, 69341909, 208025727]

約数ペア:

[(1, 208025727), (3, 69341909), (7, 29717961), (13, 16001979), (21, 9905987), (39, 5333993), (49, 4245423), (91, 2285997), (147, 1415141), (273, 761999), (343, 606489), (637, 326571), (1029, 202163), (1911, 108857), (4459, 46653), (13377, 15551)]