85742145

素因数分解:

$3^4\times 5^1\times {\mathrm{127}}^1\times {\mathrm{1667}}^1$

素因数の和:1811

約数の個数: 40

約数和(自身を含む): 155003904

約数和(自身を除く): 69261759

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 127, 135, 381, 405, 635, 1143, 1667, 1905, 3429, 5001, 5715, 8335, 10287, 15003, 17145, 25005, 45009, 51435, 75015, 135027, 211709, 225045, 635127, 675135, 1058545, 1905381, 3175635, 5716143, 9526905, 17148429, 28580715, 85742145]

約数ペア:

[(1, 85742145), (3, 28580715), (5, 17148429), (9, 9526905), (15, 5716143), (27, 3175635), (45, 1905381), (81, 1058545), (127, 675135), (135, 635127), (381, 225045), (405, 211709), (635, 135027), (1143, 75015), (1667, 51435), (1905, 45009), (3429, 25005), (5001, 17145), (5715, 15003), (8335, 10287)]