254745

素因数分解:

$3^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1$

素因数の和:71

約数の個数: 40

約数和(自身を含む): 496584

約数和(自身を除く): 241839

約数列:

[1, 3, 5, 9, 15, 17, 27, 37, 45, 51, 81, 85, 111, 135, 153, 185, 255, 333, 405, 459, 555, 629, 765, 999, 1377, 1665, 1887, 2295, 2997, 3145, 4995, 5661, 6885, 9435, 14985, 16983, 28305, 50949, 84915, 254745]

約数ペア:

[(1, 254745), (3, 84915), (5, 50949), (9, 28305), (15, 16983), (17, 14985), (27, 9435), (37, 6885), (45, 5661), (51, 4995), (81, 3145), (85, 2997), (111, 2295), (135, 1887), (153, 1665), (185, 1377), (255, 999), (333, 765), (405, 629), (459, 555)]