25779831

素因数分解:

$3^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{107}}^1\times {\mathrm{149}}^1$

素因数の和:284

約数の個数: 48

約数和(自身を含む): 44323200

約数和(自身を除く): 18543369

約数列:

[1, 3, 7, 11, 21, 33, 49, 77, 107, 147, 149, 231, 321, 447, 539, 749, 1043, 1177, 1617, 1639, 2247, 3129, 3531, 4917, 5243, 7301, 8239, 11473, 15729, 15943, 21903, 24717, 34419, 47829, 57673, 80311, 111601, 173019, 175373, 240933, 334803, 526119, 781207, 1227611, 2343621, 3682833, 8593277, 25779831]

約数ペア:

[(1, 25779831), (3, 8593277), (7, 3682833), (11, 2343621), (21, 1227611), (33, 781207), (49, 526119), (77, 334803), (107, 240933), (147, 175373), (149, 173019), (231, 111601), (321, 80311), (447, 57673), (539, 47829), (749, 34419), (1043, 24717), (1177, 21903), (1617, 15943), (1639, 15729), (2247, 11473), (3129, 8239), (3531, 7301), (4917, 5243)]