199665

素因数分解:

$3^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1$

素因数の和:63

約数の個数: 40

約数和(自身を含む): 392040

約数和(自身を除く): 192375

約数列:

[1, 3, 5, 9, 15, 17, 27, 29, 45, 51, 81, 85, 87, 135, 145, 153, 255, 261, 405, 435, 459, 493, 765, 783, 1305, 1377, 1479, 2295, 2349, 2465, 3915, 4437, 6885, 7395, 11745, 13311, 22185, 39933, 66555, 199665]

約数ペア:

[(1, 199665), (3, 66555), (5, 39933), (9, 22185), (15, 13311), (17, 11745), (27, 7395), (29, 6885), (45, 4437), (51, 3915), (81, 2465), (85, 2349), (87, 2295), (135, 1479), (145, 1377), (153, 1305), (255, 783), (261, 765), (405, 493), (435, 459)]