257267025

素因数分解:

$3^2\times 5^2\times {\mathrm{211}}^1\times {\mathrm{5419}}^1$

素因数の和:5646

約数の個数: 36

約数和(自身を含む): 463063120

約数和(自身を除く): 205796095

約数列:

[1, 3, 5, 9, 15, 25, 45, 75, 211, 225, 633, 1055, 1899, 3165, 5275, 5419, 9495, 15825, 16257, 27095, 47475, 48771, 81285, 135475, 243855, 406425, 1143409, 1219275, 3430227, 5717045, 10290681, 17151135, 28585225, 51453405, 85755675, 257267025]

約数ペア:

[(1, 257267025), (3, 85755675), (5, 51453405), (9, 28585225), (15, 17151135), (25, 10290681), (45, 5717045), (75, 3430227), (211, 1219275), (225, 1143409), (633, 406425), (1055, 243855), (1899, 135475), (3165, 81285), (5275, 48771), (5419, 47475), (9495, 27095), (15825, 16257)]