208340775

素因数分解:

$3^3\times 5^2\times {\mathrm{79}}^1\times {\mathrm{3907}}^1$

素因数の和:4005

約数の個数: 48

約数和(自身を含む): 387673600

約数和(自身を除く): 179332825

約数列:

[1, 3, 5, 9, 15, 25, 27, 45, 75, 79, 135, 225, 237, 395, 675, 711, 1185, 1975, 2133, 3555, 3907, 5925, 10665, 11721, 17775, 19535, 35163, 53325, 58605, 97675, 105489, 175815, 293025, 308653, 527445, 879075, 925959, 1543265, 2637225, 2777877, 4629795, 7716325, 8333631, 13889385, 23148975, 41668155, 69446925, 208340775]

約数ペア:

[(1, 208340775), (3, 69446925), (5, 41668155), (9, 23148975), (15, 13889385), (25, 8333631), (27, 7716325), (45, 4629795), (75, 2777877), (79, 2637225), (135, 1543265), (225, 925959), (237, 879075), (395, 527445), (675, 308653), (711, 293025), (1185, 175815), (1975, 105489), (2133, 97675), (3555, 58605), (3907, 53325), (5925, 35163), (10665, 19535), (11721, 17775)]