31348702917

素因数分解:

$3^3\times 7^1\times {\mathrm{37}}^1\times {\mathrm{71}}^1\times {\mathrm{103}}^1\times {\mathrm{613}}^1$

素因数の和:840

約数の個数: 128

約数和(自身を含む): 55907205120

約数和(自身を除く): 24558502203

約数列:

[1, 3, 7, 9, 21, 27, 37, 63, 71, 103, 111, 189, 213, 259, 309, 333, 497, 613, 639, 721, 777, 927, 999, 1491, 1839, 1917, 2163, 2331, 2627, 2781, 3811, 4291, 4473, 5517, 6489, 6993, 7313, 7881, 11433, 12873, 13419, 16551, 18389, 19467, 21939, 22681, 23643, 26677, 34299, 38619, 43523, 51191, 55167, 63139, 65817, 68043, 70929, 80031, 102897, 115857, 130569, 153573, 158767, 165501, 189417, 197451, 204129, 240093, 270581, 304661, 391707, 441973, 460719, 476301, 496503, 568251, 612387, 720279, 811743, 913983, 1175121, 1325919, 1382157, 1428903, 1610351, 1704753, 1894067, 2336143, 2435229, 2741949, 3977757, 4286709, 4482869, 4831053, 5682201, 7008429, 7305687, 8225847, 11272457, 11933271, 13448607, 14493159, 16353001, 17046603, 21025287, 31380083, 33817371, 40345821, 43479477, 49059003, 51139809, 63075861, 94140249, 101452113, 121037463, 147177009, 165866153, 282420747, 304356339, 441531027, 497598459, 847262241, 1161063071, 1492795377, 3483189213, 4478386131, 10449567639, 31348702917]

約数ペア:

[(1, 31348702917), (3, 10449567639), (7, 4478386131), (9, 3483189213), (21, 1492795377), (27, 1161063071), (37, 847262241), (63, 497598459), (71, 441531027), (103, 304356339), (111, 282420747), (189, 165866153), (213, 147177009), (259, 121037463), (309, 101452113), (333, 94140249), (497, 63075861), (613, 51139809), (639, 49059003), (721, 43479477), (777, 40345821), (927, 33817371), (999, 31380083), (1491, 21025287), (1839, 17046603), (1917, 16353001), (2163, 14493159), (2331, 13448607), (2627, 11933271), (2781, 11272457), (3811, 8225847), (4291, 7305687), (4473, 7008429), (5517, 5682201), (6489, 4831053), (6993, 4482869), (7313, 4286709), (7881, 3977757), (11433, 2741949), (12873, 2435229), (13419, 2336143), (16551, 1894067), (18389, 1704753), (19467, 1610351), (21939, 1428903), (22681, 1382157), (23643, 1325919), (26677, 1175121), (34299, 913983), (38619, 811743), (43523, 720279), (51191, 612387), (55167, 568251), (63139, 496503), (65817, 476301), (68043, 460719), (70929, 441973), (80031, 391707), (102897, 304661), (115857, 270581), (130569, 240093), (153573, 204129), (158767, 197451), (165501, 189417)]