1907145

素因数分解:

$3^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{277}}^1$

素因数の和:311

約数の個数: 40

約数和(自身を含む): 3632904

約数和(自身を除く): 1725759

約数列:

[1, 3, 5, 9, 15, 17, 27, 45, 51, 81, 85, 135, 153, 255, 277, 405, 459, 765, 831, 1377, 1385, 2295, 2493, 4155, 4709, 6885, 7479, 12465, 14127, 22437, 23545, 37395, 42381, 70635, 112185, 127143, 211905, 381429, 635715, 1907145]

約数ペア:

[(1, 1907145), (3, 635715), (5, 381429), (9, 211905), (15, 127143), (17, 112185), (27, 70635), (45, 42381), (51, 37395), (81, 23545), (85, 22437), (135, 14127), (153, 12465), (255, 7479), (277, 6885), (405, 4709), (459, 4155), (765, 2493), (831, 2295), (1377, 1385)]