257175

素因数分解:

$3^4\times 5^2\times {\mathrm{127}}^1$

素因数の和:149

約数の個数: 30

約数和(自身を含む): 480128

約数和(自身を除く): 222953

約数列:

[1, 3, 5, 9, 15, 25, 27, 45, 75, 81, 127, 135, 225, 381, 405, 635, 675, 1143, 1905, 2025, 3175, 3429, 5715, 9525, 10287, 17145, 28575, 51435, 85725, 257175]

約数ペア:

[(1, 257175), (3, 85725), (5, 51435), (9, 28575), (15, 17145), (25, 10287), (27, 9525), (45, 5715), (75, 3429), (81, 3175), (127, 2025), (135, 1905), (225, 1143), (381, 675), (405, 635)]