28474215

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{277}}^1$

素因数の和:392

約数の個数: 64

約数和(自身を含む): 57646080

約数和(自身を除く): 29171865

約数列:

[1, 3, 5, 7, 11, 15, 21, 33, 35, 55, 77, 89, 105, 165, 231, 267, 277, 385, 445, 623, 831, 979, 1155, 1335, 1385, 1869, 1939, 2937, 3047, 3115, 4155, 4895, 5817, 6853, 9141, 9345, 9695, 14685, 15235, 20559, 21329, 24653, 29085, 34265, 45705, 63987, 73959, 102795, 106645, 123265, 172571, 271183, 319935, 369795, 517713, 813549, 862855, 1355915, 1898281, 2588565, 4067745, 5694843, 9491405, 28474215]

約数ペア:

[(1, 28474215), (3, 9491405), (5, 5694843), (7, 4067745), (11, 2588565), (15, 1898281), (21, 1355915), (33, 862855), (35, 813549), (55, 517713), (77, 369795), (89, 319935), (105, 271183), (165, 172571), (231, 123265), (267, 106645), (277, 102795), (385, 73959), (445, 63987), (623, 45705), (831, 34265), (979, 29085), (1155, 24653), (1335, 21329), (1385, 20559), (1869, 15235), (1939, 14685), (2937, 9695), (3047, 9345), (3115, 9141), (4155, 6853), (4895, 5817)]