31029075

素因数分解:

$3^4\times 5^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{199}}^1$

素因数の和:239

約数の個数: 120

約数和(自身を含む): 72019200

約数和(自身を除く): 40990125

約数列:

[1, 3, 5, 7, 9, 11, 15, 21, 25, 27, 33, 35, 45, 55, 63, 75, 77, 81, 99, 105, 135, 165, 175, 189, 199, 225, 231, 275, 297, 315, 385, 405, 495, 525, 567, 597, 675, 693, 825, 891, 945, 995, 1155, 1393, 1485, 1575, 1791, 1925, 2025, 2079, 2189, 2475, 2835, 2985, 3465, 4179, 4455, 4725, 4975, 5373, 5775, 6237, 6567, 6965, 7425, 8955, 10395, 10945, 12537, 14175, 14925, 15323, 16119, 17325, 19701, 20895, 22275, 26865, 31185, 32835, 34825, 37611, 44775, 45969, 51975, 54725, 59103, 62685, 76615, 80595, 98505, 104475, 112833, 134325, 137907, 155925, 164175, 177309, 188055, 229845, 295515, 313425, 383075, 402975, 413721, 492525, 564165, 689535, 886545, 940275, 1149225, 1241163, 1477575, 2068605, 2820825, 3447675, 4432725, 6205815, 10343025, 31029075]

約数ペア:

[(1, 31029075), (3, 10343025), (5, 6205815), (7, 4432725), (9, 3447675), (11, 2820825), (15, 2068605), (21, 1477575), (25, 1241163), (27, 1149225), (33, 940275), (35, 886545), (45, 689535), (55, 564165), (63, 492525), (75, 413721), (77, 402975), (81, 383075), (99, 313425), (105, 295515), (135, 229845), (165, 188055), (175, 177309), (189, 164175), (199, 155925), (225, 137907), (231, 134325), (275, 112833), (297, 104475), (315, 98505), (385, 80595), (405, 76615), (495, 62685), (525, 59103), (567, 54725), (597, 51975), (675, 45969), (693, 44775), (825, 37611), (891, 34825), (945, 32835), (995, 31185), (1155, 26865), (1393, 22275), (1485, 20895), (1575, 19701), (1791, 17325), (1925, 16119), (2025, 15323), (2079, 14925), (2189, 14175), (2475, 12537), (2835, 10945), (2985, 10395), (3465, 8955), (4179, 7425), (4455, 6965), (4725, 6567), (4975, 6237), (5373, 5775)]