28855575

素因数分解:

$3^3\times 5^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{197}}^1$

素因数の和:254

約数の個数: 96

約数和(自身を含む): 62853120

約数和(自身を除く): 33997545

約数列:

[1, 3, 5, 7, 9, 15, 21, 25, 27, 31, 35, 45, 63, 75, 93, 105, 135, 155, 175, 189, 197, 217, 225, 279, 315, 465, 525, 591, 651, 675, 775, 837, 945, 985, 1085, 1379, 1395, 1575, 1773, 1953, 2325, 2955, 3255, 4137, 4185, 4725, 4925, 5319, 5425, 5859, 6107, 6895, 6975, 8865, 9765, 12411, 14775, 16275, 18321, 20685, 20925, 26595, 29295, 30535, 34475, 37233, 42749, 44325, 48825, 54963, 62055, 91605, 103425, 128247, 132975, 146475, 152675, 164889, 186165, 213745, 274815, 310275, 384741, 458025, 641235, 824445, 930825, 1068725, 1154223, 1374075, 1923705, 3206175, 4122225, 5771115, 9618525, 28855575]

約数ペア:

[(1, 28855575), (3, 9618525), (5, 5771115), (7, 4122225), (9, 3206175), (15, 1923705), (21, 1374075), (25, 1154223), (27, 1068725), (31, 930825), (35, 824445), (45, 641235), (63, 458025), (75, 384741), (93, 310275), (105, 274815), (135, 213745), (155, 186165), (175, 164889), (189, 152675), (197, 146475), (217, 132975), (225, 128247), (279, 103425), (315, 91605), (465, 62055), (525, 54963), (591, 48825), (651, 44325), (675, 42749), (775, 37233), (837, 34475), (945, 30535), (985, 29295), (1085, 26595), (1379, 20925), (1395, 20685), (1575, 18321), (1773, 16275), (1953, 14775), (2325, 12411), (2955, 9765), (3255, 8865), (4137, 6975), (4185, 6895), (4725, 6107), (4925, 5859), (5319, 5425)]