1285284915

素因数分解:

$3^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{186679}}^1$

素因数の和:186713

約数の個数: 40

約数和(自身を含む): 2439534240

約数和(自身を除く): 1154249325

約数列:

[1, 3, 5, 9, 15, 17, 27, 45, 51, 81, 85, 135, 153, 255, 405, 459, 765, 1377, 2295, 6885, 186679, 560037, 933395, 1680111, 2800185, 3173543, 5040333, 8400555, 9520629, 15120999, 15867715, 25201665, 28561887, 47603145, 75604995, 85685661, 142809435, 257056983, 428428305, 1285284915]

約数ペア:

[(1, 1285284915), (3, 428428305), (5, 257056983), (9, 142809435), (15, 85685661), (17, 75604995), (27, 47603145), (45, 28561887), (51, 25201665), (81, 15867715), (85, 15120999), (135, 9520629), (153, 8400555), (255, 5040333), (405, 3173543), (459, 2800185), (765, 1680111), (1377, 933395), (2295, 560037), (6885, 186679)]