71531019

素因数分解:

$3^4\times 7^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{181}}^1$

素因数の和:258

約数の個数: 80

約数和(自身を含む): 133189056

約数和(自身を除く): 61658037

約数列:

[1, 3, 7, 9, 17, 21, 27, 41, 51, 63, 81, 119, 123, 153, 181, 189, 287, 357, 369, 459, 543, 567, 697, 861, 1071, 1107, 1267, 1377, 1629, 2091, 2583, 3077, 3213, 3321, 3801, 4879, 4887, 6273, 7421, 7749, 9231, 9639, 11403, 14637, 14661, 18819, 21539, 22263, 23247, 27693, 34209, 43911, 51947, 56457, 64617, 66789, 83079, 102627, 126157, 131733, 155841, 193851, 200367, 249237, 378471, 395199, 467523, 581553, 601101, 883099, 1135413, 1402569, 1744659, 2649297, 3406239, 4207707, 7947891, 10218717, 23843673, 71531019]

約数ペア:

[(1, 71531019), (3, 23843673), (7, 10218717), (9, 7947891), (17, 4207707), (21, 3406239), (27, 2649297), (41, 1744659), (51, 1402569), (63, 1135413), (81, 883099), (119, 601101), (123, 581553), (153, 467523), (181, 395199), (189, 378471), (287, 249237), (357, 200367), (369, 193851), (459, 155841), (543, 131733), (567, 126157), (697, 102627), (861, 83079), (1071, 66789), (1107, 64617), (1267, 56457), (1377, 51947), (1629, 43911), (2091, 34209), (2583, 27693), (3077, 23247), (3213, 22263), (3321, 21539), (3801, 18819), (4879, 14661), (4887, 14637), (6273, 11403), (7421, 9639), (7749, 9231)]