19772025

素因数分解:

$3^1\times 5^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{2897}}^1$

素因数の和:2930

約数の個数: 48

約数和(自身を含む): 40247424

約数和(自身を除く): 20475399

約数列:

[1, 3, 5, 7, 13, 15, 21, 25, 35, 39, 65, 75, 91, 105, 175, 195, 273, 325, 455, 525, 975, 1365, 2275, 2897, 6825, 8691, 14485, 20279, 37661, 43455, 60837, 72425, 101395, 112983, 188305, 217275, 263627, 304185, 506975, 564915, 790881, 941525, 1318135, 1520925, 2824575, 3954405, 6590675, 19772025]

約数ペア:

[(1, 19772025), (3, 6590675), (5, 3954405), (7, 2824575), (13, 1520925), (15, 1318135), (21, 941525), (25, 790881), (35, 564915), (39, 506975), (65, 304185), (75, 263627), (91, 217275), (105, 188305), (175, 112983), (195, 101395), (273, 72425), (325, 60837), (455, 43455), (525, 37661), (975, 20279), (1365, 14485), (2275, 8691), (2897, 6825)]