26891865

素因数分解:

$3^3\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{199}}^1$

素因数の和:244

約数の個数: 128

約数和(自身を含む): 64512000

約数和(自身を除く): 37620135

約数列:

[1, 3, 5, 7, 9, 11, 13, 15, 21, 27, 33, 35, 39, 45, 55, 63, 65, 77, 91, 99, 105, 117, 135, 143, 165, 189, 195, 199, 231, 273, 297, 315, 351, 385, 429, 455, 495, 585, 597, 693, 715, 819, 945, 995, 1001, 1155, 1287, 1365, 1393, 1485, 1755, 1791, 2079, 2145, 2189, 2457, 2587, 2985, 3003, 3465, 3861, 4095, 4179, 5005, 5373, 6435, 6567, 6965, 7761, 8955, 9009, 10395, 10945, 12285, 12537, 12935, 15015, 15323, 18109, 19305, 19701, 20895, 23283, 26865, 27027, 28457, 32835, 37611, 38805, 45045, 45969, 54327, 59103, 62685, 69849, 76615, 85371, 90545, 98505, 116415, 135135, 137907, 142285, 162981, 188055, 199199, 229845, 256113, 271635, 295515, 349245, 413721, 426855, 488943, 597597, 689535, 768339, 814905, 995995, 1280565, 1792791, 2068605, 2444715, 2987985, 3841695, 5378373, 8963955, 26891865]

約数ペア:

[(1, 26891865), (3, 8963955), (5, 5378373), (7, 3841695), (9, 2987985), (11, 2444715), (13, 2068605), (15, 1792791), (21, 1280565), (27, 995995), (33, 814905), (35, 768339), (39, 689535), (45, 597597), (55, 488943), (63, 426855), (65, 413721), (77, 349245), (91, 295515), (99, 271635), (105, 256113), (117, 229845), (135, 199199), (143, 188055), (165, 162981), (189, 142285), (195, 137907), (199, 135135), (231, 116415), (273, 98505), (297, 90545), (315, 85371), (351, 76615), (385, 69849), (429, 62685), (455, 59103), (495, 54327), (585, 45969), (597, 45045), (693, 38805), (715, 37611), (819, 32835), (945, 28457), (995, 27027), (1001, 26865), (1155, 23283), (1287, 20895), (1365, 19701), (1393, 19305), (1485, 18109), (1755, 15323), (1791, 15015), (2079, 12935), (2145, 12537), (2189, 12285), (2457, 10945), (2587, 10395), (2985, 9009), (3003, 8955), (3465, 7761), (3861, 6965), (4095, 6567), (4179, 6435), (5005, 5373)]