538155261

素因数分解:

$3^2\times 7^1\times {\mathrm{127}}^1\times {\mathrm{67261}}^1$

素因数の和:67401

約数の個数: 24

約数和(自身を含む): 895391744

約数和(自身を除く): 357236483

約数列:

[1, 3, 7, 9, 21, 63, 127, 381, 889, 1143, 2667, 8001, 67261, 201783, 470827, 605349, 1412481, 4237443, 8542147, 25626441, 59795029, 76879323, 179385087, 538155261]

約数ペア:

[(1, 538155261), (3, 179385087), (7, 76879323), (9, 59795029), (21, 25626441), (63, 8542147), (127, 4237443), (381, 1412481), (889, 605349), (1143, 470827), (2667, 201783), (8001, 67261)]