2657025

素因数分解:

$3^2\times 5^2\times 7^2\times {\mathrm{241}}^1$

素因数の和:271

約数の個数: 54

約数和(自身を含む): 5558982

約数和(自身を除く): 2901957

約数列:

[1, 3, 5, 7, 9, 15, 21, 25, 35, 45, 49, 63, 75, 105, 147, 175, 225, 241, 245, 315, 441, 525, 723, 735, 1205, 1225, 1575, 1687, 2169, 2205, 3615, 3675, 5061, 6025, 8435, 10845, 11025, 11809, 15183, 18075, 25305, 35427, 42175, 54225, 59045, 75915, 106281, 126525, 177135, 295225, 379575, 531405, 885675, 2657025]

約数ペア:

[(1, 2657025), (3, 885675), (5, 531405), (7, 379575), (9, 295225), (15, 177135), (21, 126525), (25, 106281), (35, 75915), (45, 59045), (49, 54225), (63, 42175), (75, 35427), (105, 25305), (147, 18075), (175, 15183), (225, 11809), (241, 11025), (245, 10845), (315, 8435), (441, 6025), (525, 5061), (723, 3675), (735, 3615), (1205, 2205), (1225, 2169), (1575, 1687)]