18006825

素因数分解:

$3^1\times 5^2\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{487}}^1$

素因数の和:546

約数の個数: 48

約数和(自身を含む): 32676480

約数和(自身を除く): 14669655

約数列:

[1, 3, 5, 15, 17, 25, 29, 51, 75, 85, 87, 145, 255, 425, 435, 487, 493, 725, 1275, 1461, 1479, 2175, 2435, 2465, 7305, 7395, 8279, 12175, 12325, 14123, 24837, 36525, 36975, 41395, 42369, 70615, 124185, 206975, 211845, 240091, 353075, 620925, 720273, 1059225, 1200455, 3601365, 6002275, 18006825]

約数ペア:

[(1, 18006825), (3, 6002275), (5, 3601365), (15, 1200455), (17, 1059225), (25, 720273), (29, 620925), (51, 353075), (75, 240091), (85, 211845), (87, 206975), (145, 124185), (255, 70615), (425, 42369), (435, 41395), (487, 36975), (493, 36525), (725, 24837), (1275, 14123), (1461, 12325), (1479, 12175), (2175, 8279), (2435, 7395), (2465, 7305)]