200521881

素因数分解:

$3^2\times 7^1\times {\mathrm{47}}^1\times {\mathrm{241}}^1\times {\mathrm{281}}^1$

素因数の和:582

約数の個数: 48

約数和(自身を含む): 340674048

約数和(自身を除く): 140152167

約数列:

[1, 3, 7, 9, 21, 47, 63, 141, 241, 281, 329, 423, 723, 843, 987, 1687, 1967, 2169, 2529, 2961, 5061, 5901, 11327, 13207, 15183, 17703, 33981, 39621, 67721, 79289, 92449, 101943, 118863, 203163, 237867, 277347, 474047, 609489, 713601, 832041, 1422141, 3182887, 4266423, 9548661, 22280209, 28645983, 66840627, 200521881]

約数ペア:

[(1, 200521881), (3, 66840627), (7, 28645983), (9, 22280209), (21, 9548661), (47, 4266423), (63, 3182887), (141, 1422141), (241, 832041), (281, 713601), (329, 609489), (423, 474047), (723, 277347), (843, 237867), (987, 203163), (1687, 118863), (1967, 101943), (2169, 92449), (2529, 79289), (2961, 67721), (5061, 39621), (5901, 33981), (11327, 17703), (13207, 15183)]