156990717

素因数分解:

$3^4\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{53}}^1\times {\mathrm{97}}^1$

素因数の和:204

約数の個数: 80

約数和(自身を含む): 268939440

約数和(自身を除く): 111948723

約数列:

[1, 3, 9, 13, 27, 29, 39, 53, 81, 87, 97, 117, 159, 261, 291, 351, 377, 477, 689, 783, 873, 1053, 1131, 1261, 1431, 1537, 2067, 2349, 2619, 2813, 3393, 3783, 4293, 4611, 5141, 6201, 7857, 8439, 10179, 11349, 13833, 15423, 18603, 19981, 25317, 30537, 34047, 36569, 41499, 46269, 55809, 59943, 66833, 75951, 102141, 109707, 124497, 138807, 149089, 179829, 200499, 227853, 329121, 416421, 447267, 539487, 601497, 987363, 1341801, 1618461, 1804491, 1938157, 2962089, 4025403, 5413473, 5814471, 12076209, 17443413, 52330239, 156990717]

約数ペア:

[(1, 156990717), (3, 52330239), (9, 17443413), (13, 12076209), (27, 5814471), (29, 5413473), (39, 4025403), (53, 2962089), (81, 1938157), (87, 1804491), (97, 1618461), (117, 1341801), (159, 987363), (261, 601497), (291, 539487), (351, 447267), (377, 416421), (477, 329121), (689, 227853), (783, 200499), (873, 179829), (1053, 149089), (1131, 138807), (1261, 124497), (1431, 109707), (1537, 102141), (2067, 75951), (2349, 66833), (2619, 59943), (2813, 55809), (3393, 46269), (3783, 41499), (4293, 36569), (4611, 34047), (5141, 30537), (6201, 25317), (7857, 19981), (8439, 18603), (10179, 15423), (11349, 13833)]