243996903

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{69337}}^1$

素因数の和:69383

約数の個数: 24

約数和(自身を含む): 389402208

約数和(自身を除く): 145405305

約数列:

[1, 3, 9, 17, 23, 51, 69, 153, 207, 391, 1173, 3519, 69337, 208011, 624033, 1178729, 1594751, 3536187, 4784253, 10608561, 14352759, 27110767, 81332301, 243996903]

約数ペア:

[(1, 243996903), (3, 81332301), (9, 27110767), (17, 14352759), (23, 10608561), (51, 4784253), (69, 3536187), (153, 1594751), (207, 1178729), (391, 624033), (1173, 208011), (3519, 69337)]