208549971

素因数分解:

$3^4\times 7^1\times {\mathrm{103}}^1\times {\mathrm{3571}}^1$

素因数の和:3693

約数の個数: 40

約数和(自身を含む): 359600384

約数和(自身を除く): 151050413

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 103, 189, 309, 567, 721, 927, 2163, 2781, 3571, 6489, 8343, 10713, 19467, 24997, 32139, 58401, 74991, 96417, 224973, 289251, 367813, 674919, 1103439, 2024757, 2574691, 3310317, 7724073, 9930951, 23172219, 29792853, 69516657, 208549971]

約数ペア:

[(1, 208549971), (3, 69516657), (7, 29792853), (9, 23172219), (21, 9930951), (27, 7724073), (63, 3310317), (81, 2574691), (103, 2024757), (189, 1103439), (309, 674919), (567, 367813), (721, 289251), (927, 224973), (2163, 96417), (2781, 74991), (3571, 58401), (6489, 32139), (8343, 24997), (10713, 19467)]