87240321

素因数分解:

$3^4\times 7^1\times {\mathrm{251}}^1\times {\mathrm{613}}^1$

素因数の和:883

約数の個数: 40

約数和(自身を含む): 149776704

約数和(自身を除く): 62536383

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 251, 567, 613, 753, 1757, 1839, 2259, 4291, 5271, 5517, 6777, 12873, 15813, 16551, 20331, 38619, 47439, 49653, 115857, 142317, 153863, 347571, 461589, 1077041, 1384767, 3231123, 4154301, 9693369, 12462903, 29080107, 87240321]

約数ペア:

[(1, 87240321), (3, 29080107), (7, 12462903), (9, 9693369), (21, 4154301), (27, 3231123), (63, 1384767), (81, 1077041), (189, 461589), (251, 347571), (567, 153863), (613, 142317), (753, 115857), (1757, 49653), (1839, 47439), (2259, 38619), (4291, 20331), (5271, 16551), (5517, 15813), (6777, 12873)]