9893745

素因数分解:

$3^5\times 5^1\times {\mathrm{17}}^1\times {\mathrm{479}}^1$

素因数の和:516

約数の個数: 48

約数和(自身を含む): 18869760

約数和(自身を除く): 8976015

約数列:

[1, 3, 5, 9, 15, 17, 27, 45, 51, 81, 85, 135, 153, 243, 255, 405, 459, 479, 765, 1215, 1377, 1437, 2295, 2395, 4131, 4311, 6885, 7185, 8143, 12933, 20655, 21555, 24429, 38799, 40715, 64665, 73287, 116397, 122145, 193995, 219861, 366435, 581985, 659583, 1099305, 1978749, 3297915, 9893745]

約数ペア:

[(1, 9893745), (3, 3297915), (5, 1978749), (9, 1099305), (15, 659583), (17, 581985), (27, 366435), (45, 219861), (51, 193995), (81, 122145), (85, 116397), (135, 73287), (153, 64665), (243, 40715), (255, 38799), (405, 24429), (459, 21555), (479, 20655), (765, 12933), (1215, 8143), (1377, 7185), (1437, 6885), (2295, 4311), (2395, 4131)]