28604745

素因数分解:

$3^5\times 5^1\times {\mathrm{13}}^1\times {\mathrm{1811}}^1$

素因数の和:1844

約数の個数: 48

約数和(自身を含む): 55403712

約数和(自身を除く): 26798967

約数列:

[1, 3, 5, 9, 13, 15, 27, 39, 45, 65, 81, 117, 135, 195, 243, 351, 405, 585, 1053, 1215, 1755, 1811, 3159, 5265, 5433, 9055, 15795, 16299, 23543, 27165, 48897, 70629, 81495, 117715, 146691, 211887, 244485, 353145, 440073, 635661, 733455, 1059435, 1906983, 2200365, 3178305, 5720949, 9534915, 28604745]

約数ペア:

[(1, 28604745), (3, 9534915), (5, 5720949), (9, 3178305), (13, 2200365), (15, 1906983), (27, 1059435), (39, 733455), (45, 635661), (65, 440073), (81, 353145), (117, 244485), (135, 211887), (195, 146691), (243, 117715), (351, 81495), (405, 70629), (585, 48897), (1053, 27165), (1215, 23543), (1755, 16299), (1811, 15795), (3159, 9055), (5265, 5433)]