13303230453

素因数分解:

$3^4\times {\mathrm{37}}^1\times {\mathrm{71}}^1\times {\mathrm{101}}^1\times {\mathrm{619}}^1$

素因数の和:840

約数の個数: 80

約数和(自身を含む): 20935981440

約数和(自身を除く): 7632750987

約数列:

[1, 3, 9, 27, 37, 71, 81, 101, 111, 213, 303, 333, 619, 639, 909, 999, 1857, 1917, 2627, 2727, 2997, 3737, 5571, 5751, 7171, 7881, 8181, 11211, 16713, 21513, 22903, 23643, 33633, 43949, 50139, 62519, 64539, 68709, 70929, 100899, 131847, 187557, 193617, 206127, 212787, 265327, 302697, 395541, 562671, 580851, 618381, 795981, 1186623, 1626113, 1688013, 1855143, 2313203, 2387943, 3559869, 4438849, 4878339, 5064039, 6939609, 7163829, 13316547, 14635017, 20818827, 21491487, 39949641, 43905051, 62456481, 119848923, 131715153, 164237413, 187369443, 359546769, 492712239, 1478136717, 4434410151, 13303230453]

約数ペア:

[(1, 13303230453), (3, 4434410151), (9, 1478136717), (27, 492712239), (37, 359546769), (71, 187369443), (81, 164237413), (101, 131715153), (111, 119848923), (213, 62456481), (303, 43905051), (333, 39949641), (619, 21491487), (639, 20818827), (909, 14635017), (999, 13316547), (1857, 7163829), (1917, 6939609), (2627, 5064039), (2727, 4878339), (2997, 4438849), (3737, 3559869), (5571, 2387943), (5751, 2313203), (7171, 1855143), (7881, 1688013), (8181, 1626113), (11211, 1186623), (16713, 795981), (21513, 618381), (22903, 580851), (23643, 562671), (33633, 395541), (43949, 302697), (50139, 265327), (62519, 212787), (64539, 206127), (68709, 193617), (70929, 187557), (100899, 131847)]