85725

素因数分解:

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

素因数の和:146

約数の個数: 24

約数和(自身を含む): 158720

約数和(自身を除く): 72995

約数列:

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

約数ペア:

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