205835487

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{23}}^2\times {\mathrm{907}}^1$

素因数の和:980

約数の個数: 48

約数和(自身を含む): 337427328

約数和(自身を除く): 131591841

約数列:

[1, 3, 11, 13, 23, 33, 39, 69, 143, 253, 299, 429, 529, 759, 897, 907, 1587, 2721, 3289, 5819, 6877, 9867, 9977, 11791, 17457, 20631, 20861, 29931, 35373, 62583, 75647, 129701, 226941, 229471, 271193, 389103, 479803, 688413, 813579, 1439409, 2983123, 5277833, 6237439, 8949369, 15833499, 18712317, 68611829, 205835487]

約数ペア:

[(1, 205835487), (3, 68611829), (11, 18712317), (13, 15833499), (23, 8949369), (33, 6237439), (39, 5277833), (69, 2983123), (143, 1439409), (253, 813579), (299, 688413), (429, 479803), (529, 389103), (759, 271193), (897, 229471), (907, 226941), (1587, 129701), (2721, 75647), (3289, 62583), (5819, 35373), (6877, 29931), (9867, 20861), (9977, 20631), (11791, 17457)]