28609317

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{89}}^1\times {\mathrm{191}}^1$

素因数の和:314

約数の個数: 48

約数和(自身を含む): 48522240

約数和(自身を除く): 19912923

約数列:

[1, 3, 9, 11, 17, 33, 51, 89, 99, 153, 187, 191, 267, 561, 573, 801, 979, 1513, 1683, 1719, 2101, 2937, 3247, 4539, 6303, 8811, 9741, 13617, 16643, 16999, 18909, 29223, 35717, 49929, 50997, 107151, 149787, 152991, 186989, 288983, 321453, 560967, 866949, 1682901, 2600847, 3178813, 9536439, 28609317]

約数ペア:

[(1, 28609317), (3, 9536439), (9, 3178813), (11, 2600847), (17, 1682901), (33, 866949), (51, 560967), (89, 321453), (99, 288983), (153, 186989), (187, 152991), (191, 149787), (267, 107151), (561, 50997), (573, 49929), (801, 35717), (979, 29223), (1513, 18909), (1683, 16999), (1719, 16643), (2101, 13617), (2937, 9741), (3247, 8811), (4539, 6303)]