28443195

素因数分解:

$3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{1553}}^1$

素因数の和:1612

約数の個数: 48

約数和(自身を含む): 55272672

約数和(自身を除く): 26829477

約数列:

[1, 3, 5, 9, 11, 15, 33, 37, 45, 55, 99, 111, 165, 185, 333, 407, 495, 555, 1221, 1553, 1665, 2035, 3663, 4659, 6105, 7765, 13977, 17083, 18315, 23295, 51249, 57461, 69885, 85415, 153747, 172383, 256245, 287305, 517149, 632071, 768735, 861915, 1896213, 2585745, 3160355, 5688639, 9481065, 28443195]

約数ペア:

[(1, 28443195), (3, 9481065), (5, 5688639), (9, 3160355), (11, 2585745), (15, 1896213), (33, 861915), (37, 768735), (45, 632071), (55, 517149), (99, 287305), (111, 256245), (165, 172383), (185, 153747), (333, 85415), (407, 69885), (495, 57461), (555, 51249), (1221, 23295), (1553, 18315), (1665, 17083), (2035, 13977), (3663, 7765), (4659, 6105)]