28453257

素因数分解:

$3^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{857}}^1$

素因数の和:918

約数の個数: 48

約数和(自身を含む): 51397632

約数和(自身を除く): 22944375

約数列:

[1, 3, 7, 9, 17, 21, 31, 51, 63, 93, 119, 153, 217, 279, 357, 527, 651, 857, 1071, 1581, 1953, 2571, 3689, 4743, 5999, 7713, 11067, 14569, 17997, 26567, 33201, 43707, 53991, 79701, 101983, 131121, 185969, 239103, 305949, 451639, 557907, 917847, 1354917, 1673721, 3161473, 4064751, 9484419, 28453257]

約数ペア:

[(1, 28453257), (3, 9484419), (7, 4064751), (9, 3161473), (17, 1673721), (21, 1354917), (31, 917847), (51, 557907), (63, 451639), (93, 305949), (119, 239103), (153, 185969), (217, 131121), (279, 101983), (357, 79701), (527, 53991), (651, 43707), (857, 33201), (1071, 26567), (1581, 17997), (1953, 14569), (2571, 11067), (3689, 7713), (4743, 5999)]