204955905

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{29}}^2\times {\mathrm{211}}^1$

素因数の和:295

約数の個数: 96

約数和(自身を含む): 425438208

約数和(自身を除く): 220482303

約数列:

[1, 3, 5, 7, 11, 15, 21, 29, 33, 35, 55, 77, 87, 105, 145, 165, 203, 211, 231, 319, 385, 435, 609, 633, 841, 957, 1015, 1055, 1155, 1477, 1595, 2233, 2321, 2523, 3045, 3165, 4205, 4431, 4785, 5887, 6119, 6699, 6963, 7385, 9251, 11165, 11605, 12615, 16247, 17661, 18357, 22155, 27753, 29435, 30595, 33495, 34815, 42833, 46255, 48741, 64757, 67309, 81235, 88305, 91785, 128499, 138765, 177451, 194271, 201927, 214165, 243705, 323785, 336545, 471163, 532353, 642495, 887255, 971355, 1009635, 1242157, 1413489, 1951961, 2355815, 2661765, 3726471, 5855883, 6210785, 7067445, 9759805, 13663727, 18632355, 29279415, 40991181, 68318635, 204955905]

約数ペア:

[(1, 204955905), (3, 68318635), (5, 40991181), (7, 29279415), (11, 18632355), (15, 13663727), (21, 9759805), (29, 7067445), (33, 6210785), (35, 5855883), (55, 3726471), (77, 2661765), (87, 2355815), (105, 1951961), (145, 1413489), (165, 1242157), (203, 1009635), (211, 971355), (231, 887255), (319, 642495), (385, 532353), (435, 471163), (609, 336545), (633, 323785), (841, 243705), (957, 214165), (1015, 201927), (1055, 194271), (1155, 177451), (1477, 138765), (1595, 128499), (2233, 91785), (2321, 88305), (2523, 81235), (3045, 67309), (3165, 64757), (4205, 48741), (4431, 46255), (4785, 42833), (5887, 34815), (6119, 33495), (6699, 30595), (6963, 29435), (7385, 27753), (9251, 22155), (11165, 18357), (11605, 17661), (12615, 16247)]