55857921

素因数分解:

$3^1\times 7^1\times {\mathrm{73}}^1\times {\mathrm{83}}^1\times {\mathrm{439}}^1$

素因数の和:605

約数の個数: 32

約数和(自身を含む): 87521280

約数和(自身を除く): 31663359

約数列:

[1, 3, 7, 21, 73, 83, 219, 249, 439, 511, 581, 1317, 1533, 1743, 3073, 6059, 9219, 18177, 32047, 36437, 42413, 96141, 109311, 127239, 224329, 255059, 672987, 765177, 2659901, 7979703, 18619307, 55857921]

約数ペア:

[(1, 55857921), (3, 18619307), (7, 7979703), (21, 2659901), (73, 765177), (83, 672987), (219, 255059), (249, 224329), (439, 127239), (511, 109311), (581, 96141), (1317, 42413), (1533, 36437), (1743, 32047), (3073, 18177), (6059, 9219)]