131683071

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{149}}^1$

素因数の和:256

約数の個数: 64

約数和(自身を含む): 212889600

約数和(自身を除く): 81206529

約数列:

[1, 3, 13, 17, 31, 39, 43, 51, 93, 129, 149, 221, 403, 447, 527, 559, 663, 731, 1209, 1333, 1581, 1677, 1937, 2193, 2533, 3999, 4619, 5811, 6407, 6851, 7599, 9503, 13857, 17329, 19221, 20553, 22661, 28509, 32929, 51987, 60047, 67983, 78523, 83291, 98787, 108919, 180141, 198617, 235569, 249873, 294593, 326757, 595851, 883779, 1020799, 1415947, 2582021, 3062397, 3376489, 4247841, 7746063, 10129467, 43894357, 131683071]

約数ペア:

[(1, 131683071), (3, 43894357), (13, 10129467), (17, 7746063), (31, 4247841), (39, 3376489), (43, 3062397), (51, 2582021), (93, 1415947), (129, 1020799), (149, 883779), (221, 595851), (403, 326757), (447, 294593), (527, 249873), (559, 235569), (663, 198617), (731, 180141), (1209, 108919), (1333, 98787), (1581, 83291), (1677, 78523), (1937, 67983), (2193, 60047), (2533, 51987), (3999, 32929), (4619, 28509), (5811, 22661), (6407, 20553), (6851, 19221), (7599, 17329), (9503, 13857)]