127924321

素因数分解:

$7^1\times {\mathrm{19}}^2\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1$

素因数の和:170

約数の個数: 48

約数和(自身を含む): 168542208

約数和(自身を除く): 40617887

約数列:

[1, 7, 19, 23, 31, 71, 133, 161, 217, 361, 437, 497, 589, 713, 1349, 1633, 2201, 2527, 3059, 4123, 4991, 8303, 9443, 11191, 11431, 13547, 15407, 25631, 31027, 41819, 50623, 58121, 78337, 94829, 179417, 217189, 257393, 292733, 354361, 589513, 794561, 961837, 1801751, 4126591, 5561927, 6732859, 18274903, 127924321]

約数ペア:

[(1, 127924321), (7, 18274903), (19, 6732859), (23, 5561927), (31, 4126591), (71, 1801751), (133, 961837), (161, 794561), (217, 589513), (361, 354361), (437, 292733), (497, 257393), (589, 217189), (713, 179417), (1349, 94829), (1633, 78337), (2201, 58121), (2527, 50623), (3059, 41819), (4123, 31027), (4991, 25631), (8303, 15407), (9443, 13547), (11191, 11431)]