71505189

素因数分解:

$3^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{47}}^1$

素因数の和:151

約数の個数: 96

約数和(自身を含む): 134184960

約数和(自身を除く): 62679771

約数列:

[1, 3, 7, 9, 19, 21, 31, 41, 47, 57, 63, 93, 123, 133, 141, 171, 217, 279, 287, 329, 369, 399, 423, 589, 651, 779, 861, 893, 987, 1197, 1271, 1457, 1767, 1927, 1953, 2337, 2583, 2679, 2961, 3813, 4123, 4371, 5301, 5453, 5781, 6251, 7011, 8037, 8897, 10199, 11439, 12369, 13113, 13489, 16359, 17343, 18753, 24149, 26691, 27683, 30597, 36613, 37107, 40467, 49077, 56259, 59737, 72447, 80073, 83049, 91791, 109839, 121401, 169043, 179211, 193781, 217341, 249147, 256291, 329517, 418159, 507129, 537633, 581343, 768873, 1135003, 1254477, 1521387, 1744029, 2306619, 3405009, 3763431, 7945021, 10215027, 23835063, 71505189]

約数ペア:

[(1, 71505189), (3, 23835063), (7, 10215027), (9, 7945021), (19, 3763431), (21, 3405009), (31, 2306619), (41, 1744029), (47, 1521387), (57, 1254477), (63, 1135003), (93, 768873), (123, 581343), (133, 537633), (141, 507129), (171, 418159), (217, 329517), (279, 256291), (287, 249147), (329, 217341), (369, 193781), (399, 179211), (423, 169043), (589, 121401), (651, 109839), (779, 91791), (861, 83049), (893, 80073), (987, 72447), (1197, 59737), (1271, 56259), (1457, 49077), (1767, 40467), (1927, 37107), (1953, 36613), (2337, 30597), (2583, 27683), (2679, 26691), (2961, 24149), (3813, 18753), (4123, 17343), (4371, 16359), (5301, 13489), (5453, 13113), (5781, 12369), (6251, 11439), (7011, 10199), (8037, 8897)]