208815204525

素因数分解:

$3^1\times 5^2\times {\mathrm{17}}^1\times {\mathrm{661}}^1\times {\mathrm{247771}}^1$

素因数の和:248462

約数の個数: 48

約数和(自身を含む): 366103942848

約数和(自身を除く): 157288738323

約数列:

[1, 3, 5, 15, 17, 25, 51, 75, 85, 255, 425, 661, 1275, 1983, 3305, 9915, 11237, 16525, 33711, 49575, 56185, 168555, 247771, 280925, 743313, 842775, 1238855, 3716565, 4212107, 6194275, 12636321, 18582825, 21060535, 63181605, 105302675, 163776631, 315908025, 491329893, 818883155, 2456649465, 2784202727, 4094415775, 8352608181, 12283247325, 13921013635, 41763040905, 69605068175, 208815204525]

約数ペア:

[(1, 208815204525), (3, 69605068175), (5, 41763040905), (15, 13921013635), (17, 12283247325), (25, 8352608181), (51, 4094415775), (75, 2784202727), (85, 2456649465), (255, 818883155), (425, 491329893), (661, 315908025), (1275, 163776631), (1983, 105302675), (3305, 63181605), (9915, 21060535), (11237, 18582825), (16525, 12636321), (33711, 6194275), (49575, 4212107), (56185, 3716565), (168555, 1238855), (247771, 842775), (280925, 743313)]