25986555

素因数分解:

$3^3\times 5^1\times 7^1\times {\mathrm{107}}^1\times {\mathrm{257}}^1$

素因数の和:385

約数の個数: 64

約数和(自身を含む): 53498880

約数和(自身を除く): 27512325

約数列:

[1, 3, 5, 7, 9, 15, 21, 27, 35, 45, 63, 105, 107, 135, 189, 257, 315, 321, 535, 749, 771, 945, 963, 1285, 1605, 1799, 2247, 2313, 2889, 3745, 3855, 4815, 5397, 6741, 6939, 8995, 11235, 11565, 14445, 16191, 20223, 26985, 27499, 33705, 34695, 48573, 80955, 82497, 101115, 137495, 192493, 242865, 247491, 412485, 577479, 742473, 962465, 1237455, 1732437, 2887395, 3712365, 5197311, 8662185, 25986555]

約数ペア:

[(1, 25986555), (3, 8662185), (5, 5197311), (7, 3712365), (9, 2887395), (15, 1732437), (21, 1237455), (27, 962465), (35, 742473), (45, 577479), (63, 412485), (105, 247491), (107, 242865), (135, 192493), (189, 137495), (257, 101115), (315, 82497), (321, 80955), (535, 48573), (749, 34695), (771, 33705), (945, 27499), (963, 26985), (1285, 20223), (1605, 16191), (1799, 14445), (2247, 11565), (2313, 11235), (2889, 8995), (3745, 6939), (3855, 6741), (4815, 5397)]