28239057

素因数分解:

$3^3\times 7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^2\times {\mathrm{47}}^1$

素因数の和:108

約数の個数: 96

約数和(自身を含む): 56586240

約数和(自身を除く): 28347183

約数列:

[1, 3, 7, 9, 11, 17, 21, 27, 33, 47, 51, 63, 77, 99, 119, 141, 153, 187, 189, 231, 289, 297, 329, 357, 423, 459, 517, 561, 693, 799, 867, 987, 1071, 1269, 1309, 1551, 1683, 2023, 2079, 2397, 2601, 2961, 3179, 3213, 3619, 3927, 4653, 5049, 5593, 6069, 7191, 7803, 8789, 8883, 9537, 10857, 11781, 13583, 13959, 16779, 18207, 21573, 22253, 26367, 28611, 32571, 35343, 40749, 50337, 54621, 61523, 66759, 79101, 85833, 95081, 97713, 122247, 149413, 151011, 184569, 200277, 237303, 285243, 366741, 448239, 553707, 600831, 855729, 1045891, 1344717, 1661121, 2567187, 3137673, 4034151, 9413019, 28239057]

約数ペア:

[(1, 28239057), (3, 9413019), (7, 4034151), (9, 3137673), (11, 2567187), (17, 1661121), (21, 1344717), (27, 1045891), (33, 855729), (47, 600831), (51, 553707), (63, 448239), (77, 366741), (99, 285243), (119, 237303), (141, 200277), (153, 184569), (187, 151011), (189, 149413), (231, 122247), (289, 97713), (297, 95081), (329, 85833), (357, 79101), (423, 66759), (459, 61523), (517, 54621), (561, 50337), (693, 40749), (799, 35343), (867, 32571), (987, 28611), (1071, 26367), (1269, 22253), (1309, 21573), (1551, 18207), (1683, 16779), (2023, 13959), (2079, 13583), (2397, 11781), (2601, 10857), (2961, 9537), (3179, 8883), (3213, 8789), (3619, 7803), (3927, 7191), (4653, 6069), (5049, 5593)]