399702933

素因数分解:

$3^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{103}}^1\times {\mathrm{1987}}^1$

素因数の和:2134

約数の個数: 48

約数和(自身を含む): 688070656

約数和(自身を除く): 288367723

約数列:

[1, 3, 7, 9, 21, 31, 63, 93, 103, 217, 279, 309, 651, 721, 927, 1953, 1987, 2163, 3193, 5961, 6489, 9579, 13909, 17883, 22351, 28737, 41727, 61597, 67053, 125181, 184791, 201159, 204661, 431179, 554373, 613983, 1293537, 1432627, 1841949, 3880611, 4297881, 6344491, 12893643, 19033473, 44411437, 57100419, 133234311, 399702933]

約数ペア:

[(1, 399702933), (3, 133234311), (7, 57100419), (9, 44411437), (21, 19033473), (31, 12893643), (63, 6344491), (93, 4297881), (103, 3880611), (217, 1841949), (279, 1432627), (309, 1293537), (651, 613983), (721, 554373), (927, 431179), (1953, 204661), (1987, 201159), (2163, 184791), (3193, 125181), (5961, 67053), (6489, 61597), (9579, 41727), (13909, 28737), (17883, 22351)]