27886545

素因数分解:

$3^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{419}}^1$

素因数の和:479

約数の個数: 64

約数和(自身を含む): 54432000

約数和(自身を除く): 26545455

約数列:

[1, 3, 5, 9, 15, 17, 27, 29, 45, 51, 85, 87, 135, 145, 153, 255, 261, 419, 435, 459, 493, 765, 783, 1257, 1305, 1479, 2095, 2295, 2465, 3771, 3915, 4437, 6285, 7123, 7395, 11313, 12151, 13311, 18855, 21369, 22185, 35615, 36453, 56565, 60755, 64107, 66555, 106845, 109359, 182265, 192321, 206567, 320535, 328077, 546795, 619701, 961605, 1032835, 1640385, 1859103, 3098505, 5577309, 9295515, 27886545]

約数ペア:

[(1, 27886545), (3, 9295515), (5, 5577309), (9, 3098505), (15, 1859103), (17, 1640385), (27, 1032835), (29, 961605), (45, 619701), (51, 546795), (85, 328077), (87, 320535), (135, 206567), (145, 192321), (153, 182265), (255, 109359), (261, 106845), (419, 66555), (435, 64107), (459, 60755), (493, 56565), (765, 36453), (783, 35615), (1257, 22185), (1305, 21369), (1479, 18855), (2095, 13311), (2295, 12151), (2465, 11313), (3771, 7395), (3915, 7123), (4437, 6285)]