28827189

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{73}}^1\times {\mathrm{89}}^1$

素因数の和:214

約数の個数: 48

約数和(自身を含む): 46753200

約数和(自身を除く): 17926011

約数列:

[1, 3, 9, 17, 29, 51, 73, 87, 89, 153, 219, 261, 267, 493, 657, 801, 1241, 1479, 1513, 2117, 2581, 3723, 4437, 4539, 6351, 6497, 7743, 11169, 13617, 19053, 19491, 23229, 35989, 43877, 58473, 107967, 110449, 131631, 188413, 323901, 331347, 394893, 565239, 994041, 1695717, 3203021, 9609063, 28827189]

約数ペア:

[(1, 28827189), (3, 9609063), (9, 3203021), (17, 1695717), (29, 994041), (51, 565239), (73, 394893), (87, 331347), (89, 323901), (153, 188413), (219, 131631), (261, 110449), (267, 107967), (493, 58473), (657, 43877), (801, 35989), (1241, 23229), (1479, 19491), (1513, 19053), (2117, 13617), (2581, 11169), (3723, 7743), (4437, 6497), (4539, 6351)]