25624287

素因数分解:

$3^2\times {\mathrm{13}}^2\times {\mathrm{17}}^1\times {\mathrm{991}}^1$

素因数の和:1040

約数の個数: 36

約数和(自身を含む): 42479424

約数和(自身を除く): 16855137

約数列:

[1, 3, 9, 13, 17, 39, 51, 117, 153, 169, 221, 507, 663, 991, 1521, 1989, 2873, 2973, 8619, 8919, 12883, 16847, 25857, 38649, 50541, 115947, 151623, 167479, 219011, 502437, 657033, 1507311, 1971099, 2847143, 8541429, 25624287]

約数ペア:

[(1, 25624287), (3, 8541429), (9, 2847143), (13, 1971099), (17, 1507311), (39, 657033), (51, 502437), (117, 219011), (153, 167479), (169, 151623), (221, 115947), (507, 50541), (663, 38649), (991, 25857), (1521, 16847), (1989, 12883), (2873, 8919), (2973, 8619)]