57128265

素因数分解:

$3^2\times 5^1\times {\mathrm{47}}^1\times {\mathrm{27011}}^1$

素因数の和:27069

約数の個数: 24

約数和(自身を含む): 101132928

約数和(自身を除く): 44004663

約数列:

[1, 3, 5, 9, 15, 45, 47, 141, 235, 423, 705, 2115, 27011, 81033, 135055, 243099, 405165, 1215495, 1269517, 3808551, 6347585, 11425653, 19042755, 57128265]

約数ペア:

[(1, 57128265), (3, 19042755), (5, 11425653), (9, 6347585), (15, 3808551), (45, 1269517), (47, 1215495), (141, 405165), (235, 243099), (423, 135055), (705, 81033), (2115, 27011)]