28797285

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{53}}^1\times {\mathrm{89}}^1$

素因数の和:198

約数の個数: 64

約数和(自身を含む): 53187840

約数和(自身を除く): 24390555

約数列:

[1, 3, 5, 11, 15, 33, 37, 53, 55, 89, 111, 159, 165, 185, 265, 267, 407, 445, 555, 583, 795, 979, 1221, 1335, 1749, 1961, 2035, 2915, 2937, 3293, 4717, 4895, 5883, 6105, 8745, 9805, 9879, 14151, 14685, 16465, 21571, 23585, 29415, 36223, 49395, 51887, 64713, 70755, 107855, 108669, 155661, 174529, 181115, 259435, 323565, 523587, 543345, 778305, 872645, 1919819, 2617935, 5759457, 9599095, 28797285]

約数ペア:

[(1, 28797285), (3, 9599095), (5, 5759457), (11, 2617935), (15, 1919819), (33, 872645), (37, 778305), (53, 543345), (55, 523587), (89, 323565), (111, 259435), (159, 181115), (165, 174529), (185, 155661), (265, 108669), (267, 107855), (407, 70755), (445, 64713), (555, 51887), (583, 49395), (795, 36223), (979, 29415), (1221, 23585), (1335, 21571), (1749, 16465), (1961, 14685), (2035, 14151), (2915, 9879), (2937, 9805), (3293, 8745), (4717, 6105), (4895, 5883)]