28887705

素因数分解:

$3^3\times 5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{397}}^1$

素因数の和:436

約数の個数: 96

約数和(自身を含む): 65335680

約数和(自身を除く): 36447975

約数列:

[1, 3, 5, 7, 9, 11, 15, 21, 27, 33, 35, 45, 49, 55, 63, 77, 99, 105, 135, 147, 165, 189, 231, 245, 297, 315, 385, 397, 441, 495, 539, 693, 735, 945, 1155, 1191, 1323, 1485, 1617, 1985, 2079, 2205, 2695, 2779, 3465, 3573, 4367, 4851, 5955, 6615, 8085, 8337, 10395, 10719, 13101, 13895, 14553, 17865, 19453, 21835, 24255, 25011, 30569, 39303, 41685, 53595, 58359, 65505, 72765, 75033, 91707, 97265, 117909, 125055, 152845, 175077, 196515, 213983, 275121, 291795, 375165, 458535, 525231, 589545, 641949, 825363, 875385, 1069915, 1375605, 1925847, 2626155, 3209745, 4126815, 5777541, 9629235, 28887705]

約数ペア:

[(1, 28887705), (3, 9629235), (5, 5777541), (7, 4126815), (9, 3209745), (11, 2626155), (15, 1925847), (21, 1375605), (27, 1069915), (33, 875385), (35, 825363), (45, 641949), (49, 589545), (55, 525231), (63, 458535), (77, 375165), (99, 291795), (105, 275121), (135, 213983), (147, 196515), (165, 175077), (189, 152845), (231, 125055), (245, 117909), (297, 97265), (315, 91707), (385, 75033), (397, 72765), (441, 65505), (495, 58359), (539, 53595), (693, 41685), (735, 39303), (945, 30569), (1155, 25011), (1191, 24255), (1323, 21835), (1485, 19453), (1617, 17865), (1985, 14553), (2079, 13895), (2205, 13101), (2695, 10719), (2779, 10395), (3465, 8337), (3573, 8085), (4367, 6615), (4851, 5955)]