201731985

素因数分解:

$3^3\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{16421}}^1$

素因数の和:16455

約数の個数: 64

約数和(自身を含む): 441423360

約数和(自身を除く): 239691375

約数列:

[1, 3, 5, 7, 9, 13, 15, 21, 27, 35, 39, 45, 63, 65, 91, 105, 117, 135, 189, 195, 273, 315, 351, 455, 585, 819, 945, 1365, 1755, 2457, 4095, 12285, 16421, 49263, 82105, 114947, 147789, 213473, 246315, 344841, 443367, 574735, 640419, 738945, 1034523, 1067365, 1494311, 1724205, 1921257, 2216835, 3103569, 3202095, 4482933, 5172615, 5763771, 7471555, 9606285, 13448799, 15517845, 22414665, 28818855, 40346397, 67243995, 201731985]

約数ペア:

[(1, 201731985), (3, 67243995), (5, 40346397), (7, 28818855), (9, 22414665), (13, 15517845), (15, 13448799), (21, 9606285), (27, 7471555), (35, 5763771), (39, 5172615), (45, 4482933), (63, 3202095), (65, 3103569), (91, 2216835), (105, 1921257), (117, 1724205), (135, 1494311), (189, 1067365), (195, 1034523), (273, 738945), (315, 640419), (351, 574735), (455, 443367), (585, 344841), (819, 246315), (945, 213473), (1365, 147789), (1755, 114947), (2457, 82105), (4095, 49263), (12285, 16421)]