28974987

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{149}}^1$

素因数の和:244

約数の個数: 48

約数和(自身を含む): 47174400

約数和(自身を除く): 18199413

約数列:

[1, 3, 9, 17, 31, 41, 51, 93, 123, 149, 153, 279, 369, 447, 527, 697, 1271, 1341, 1581, 2091, 2533, 3813, 4619, 4743, 6109, 6273, 7599, 11439, 13857, 18327, 21607, 22797, 41571, 54981, 64821, 78523, 103853, 189379, 194463, 235569, 311559, 568137, 706707, 934677, 1704411, 3219443, 9658329, 28974987]

約数ペア:

[(1, 28974987), (3, 9658329), (9, 3219443), (17, 1704411), (31, 934677), (41, 706707), (51, 568137), (93, 311559), (123, 235569), (149, 194463), (153, 189379), (279, 103853), (369, 78523), (447, 64821), (527, 54981), (697, 41571), (1271, 22797), (1341, 21607), (1581, 18327), (2091, 13857), (2533, 11439), (3813, 7599), (4619, 6273), (4743, 6109)]