28051695

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{109}}^1$

素因数の和:189

約数の個数: 96

約数和(自身を含む): 60403200

約数和(自身を除く): 32351505

約数列:

[1, 3, 5, 7, 9, 15, 19, 21, 35, 43, 45, 57, 63, 95, 105, 109, 129, 133, 171, 215, 285, 301, 315, 327, 387, 399, 545, 645, 665, 763, 817, 855, 903, 981, 1197, 1505, 1635, 1935, 1995, 2071, 2289, 2451, 2709, 3815, 4085, 4515, 4687, 4905, 5719, 5985, 6213, 6867, 7353, 10355, 11445, 12255, 13545, 14061, 14497, 17157, 18639, 23435, 28595, 31065, 32809, 34335, 36765, 42183, 43491, 51471, 70305, 72485, 85785, 89053, 93195, 98427, 130473, 164045, 210915, 217455, 257355, 267159, 295281, 445265, 492135, 623371, 652365, 801477, 1335795, 1476405, 1870113, 3116855, 4007385, 5610339, 9350565, 28051695]

約数ペア:

[(1, 28051695), (3, 9350565), (5, 5610339), (7, 4007385), (9, 3116855), (15, 1870113), (19, 1476405), (21, 1335795), (35, 801477), (43, 652365), (45, 623371), (57, 492135), (63, 445265), (95, 295281), (105, 267159), (109, 257355), (129, 217455), (133, 210915), (171, 164045), (215, 130473), (285, 98427), (301, 93195), (315, 89053), (327, 85785), (387, 72485), (399, 70305), (545, 51471), (645, 43491), (665, 42183), (763, 36765), (817, 34335), (855, 32809), (903, 31065), (981, 28595), (1197, 23435), (1505, 18639), (1635, 17157), (1935, 14497), (1995, 14061), (2071, 13545), (2289, 12255), (2451, 11445), (2709, 10355), (3815, 7353), (4085, 6867), (4515, 6213), (4687, 5985), (4905, 5719)]