201800025

素因数分解:

$3^3\times 5^2\times 7^1\times {\mathrm{42709}}^1$

素因数の和:42735

約数の個数: 48

約数和(自身を含む): 423683200

約数和(自身を除く): 221883175

約数列:

[1, 3, 5, 7, 9, 15, 21, 25, 27, 35, 45, 63, 75, 105, 135, 175, 189, 225, 315, 525, 675, 945, 1575, 4725, 42709, 128127, 213545, 298963, 384381, 640635, 896889, 1067725, 1153143, 1494815, 1921905, 2690667, 3203175, 4484445, 5765715, 7474075, 8072001, 9609525, 13453335, 22422225, 28828575, 40360005, 67266675, 201800025]

約数ペア:

[(1, 201800025), (3, 67266675), (5, 40360005), (7, 28828575), (9, 22422225), (15, 13453335), (21, 9609525), (25, 8072001), (27, 7474075), (35, 5765715), (45, 4484445), (63, 3203175), (75, 2690667), (105, 1921905), (135, 1494815), (175, 1153143), (189, 1067725), (225, 896889), (315, 640635), (525, 384381), (675, 298963), (945, 213545), (1575, 128127), (4725, 42709)]