28912275

素因数分解:

$3^3\times 5^2\times 7^1\times {\mathrm{29}}^1\times {\mathrm{211}}^1$

素因数の和:266

約数の個数: 96

約数和(自身を含む): 63091200

約数和(自身を除く): 34178925

約数列:

[1, 3, 5, 7, 9, 15, 21, 25, 27, 29, 35, 45, 63, 75, 87, 105, 135, 145, 175, 189, 203, 211, 225, 261, 315, 435, 525, 609, 633, 675, 725, 783, 945, 1015, 1055, 1305, 1477, 1575, 1827, 1899, 2175, 3045, 3165, 3915, 4431, 4725, 5075, 5275, 5481, 5697, 6119, 6525, 7385, 9135, 9495, 13293, 15225, 15825, 18357, 19575, 22155, 27405, 28485, 30595, 36925, 39879, 42833, 45675, 47475, 55071, 66465, 91785, 110775, 128499, 137025, 142425, 152975, 165213, 199395, 214165, 275355, 332325, 385497, 458925, 642495, 826065, 996975, 1070825, 1156491, 1376775, 1927485, 3212475, 4130325, 5782455, 9637425, 28912275]

約数ペア:

[(1, 28912275), (3, 9637425), (5, 5782455), (7, 4130325), (9, 3212475), (15, 1927485), (21, 1376775), (25, 1156491), (27, 1070825), (29, 996975), (35, 826065), (45, 642495), (63, 458925), (75, 385497), (87, 332325), (105, 275355), (135, 214165), (145, 199395), (175, 165213), (189, 152975), (203, 142425), (211, 137025), (225, 128499), (261, 110775), (315, 91785), (435, 66465), (525, 55071), (609, 47475), (633, 45675), (675, 42833), (725, 39879), (783, 36925), (945, 30595), (1015, 28485), (1055, 27405), (1305, 22155), (1477, 19575), (1575, 18357), (1827, 15825), (1899, 15225), (2175, 13293), (3045, 9495), (3165, 9135), (3915, 7385), (4431, 6525), (4725, 6119), (5075, 5697), (5275, 5481)]