261403439

素因数分解:

${\mathrm{11}}^2\times {\mathrm{31}}^1\times {\mathrm{227}}^1\times {\mathrm{307}}^1$

素因数の和:587

約数の個数: 24

約数和(自身を含む): 298873344

約数和(自身を除く): 37469905

約数列:

[1, 11, 31, 121, 227, 307, 341, 2497, 3377, 3751, 7037, 9517, 27467, 37147, 69689, 77407, 104687, 766579, 851477, 1151557, 2160359, 8432369, 23763949, 261403439]

約数ペア:

[(1, 261403439), (11, 23763949), (31, 8432369), (121, 2160359), (227, 1151557), (307, 851477), (341, 766579), (2497, 104687), (3377, 77407), (3751, 69689), (7037, 37147), (9517, 27467)]