208044249

素因数分解:

$3^1\times 7^4\times {\mathrm{17}}^1\times {\mathrm{1699}}^1$

素因数の和:1747

約数の個数: 40

約数和(自身を含む): 342842400

約数和(自身を除く): 134798151

約数列:

[1, 3, 7, 17, 21, 49, 51, 119, 147, 343, 357, 833, 1029, 1699, 2401, 2499, 5097, 5831, 7203, 11893, 17493, 28883, 35679, 40817, 83251, 86649, 122451, 202181, 249753, 582757, 606543, 1415267, 1748271, 4079299, 4245801, 9906869, 12237897, 29720607, 69348083, 208044249]

約数ペア:

[(1, 208044249), (3, 69348083), (7, 29720607), (17, 12237897), (21, 9906869), (49, 4245801), (51, 4079299), (119, 1748271), (147, 1415267), (343, 606543), (357, 582757), (833, 249753), (1029, 202181), (1699, 122451), (2401, 86649), (2499, 83251), (5097, 40817), (5831, 35679), (7203, 28883), (11893, 17493)]