177528729

素因数分解:

$3^1\times 7^1\times {\mathrm{41}}^2\times {\mathrm{47}}^1\times {\mathrm{107}}^1$

素因数の和:246

約数の個数: 48

約数和(自身を含む): 285825024

約数和(自身を除く): 108296295

約数列:

[1, 3, 7, 21, 41, 47, 107, 123, 141, 287, 321, 329, 749, 861, 987, 1681, 1927, 2247, 4387, 5029, 5043, 5781, 11767, 13161, 13489, 15087, 30709, 35203, 35301, 40467, 79007, 92127, 105609, 179867, 206189, 237021, 539601, 553049, 618567, 1259069, 1443323, 1659147, 3777207, 4329969, 8453749, 25361247, 59176243, 177528729]

約数ペア:

[(1, 177528729), (3, 59176243), (7, 25361247), (21, 8453749), (41, 4329969), (47, 3777207), (107, 1659147), (123, 1443323), (141, 1259069), (287, 618567), (321, 553049), (329, 539601), (749, 237021), (861, 206189), (987, 179867), (1681, 105609), (1927, 92127), (2247, 79007), (4387, 40467), (5029, 35301), (5043, 35203), (5781, 30709), (11767, 15087), (13161, 13489)]