28620585

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{2113}}^1$

素因数の和:2174

約数の個数: 48

約数和(自身を含む): 58041984

約数和(自身を除く): 29421399

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 43, 45, 63, 105, 129, 215, 301, 315, 387, 645, 903, 1505, 1935, 2113, 2709, 4515, 6339, 10565, 13545, 14791, 19017, 31695, 44373, 73955, 90859, 95085, 133119, 221865, 272577, 454295, 636013, 665595, 817731, 1362885, 1908039, 3180065, 4088655, 5724117, 9540195, 28620585]

約数ペア:

[(1, 28620585), (3, 9540195), (5, 5724117), (7, 4088655), (9, 3180065), (15, 1908039), (21, 1362885), (35, 817731), (43, 665595), (45, 636013), (63, 454295), (105, 272577), (129, 221865), (215, 133119), (301, 95085), (315, 90859), (387, 73955), (645, 44373), (903, 31695), (1505, 19017), (1935, 14791), (2113, 13545), (2709, 10565), (4515, 6339)]