27787669

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{73}}^1\times {\mathrm{89}}^1$

素因数の和:229

約数の個数: 32

約数和(自身を含む): 35804160

約数和(自身を除く): 8016491

約数列:

[1, 7, 13, 47, 73, 89, 91, 329, 511, 611, 623, 949, 1157, 3431, 4183, 4277, 6497, 6643, 8099, 24017, 29281, 44603, 45479, 54379, 84461, 305359, 312221, 380653, 591227, 2137513, 3969667, 27787669]

約数ペア:

[(1, 27787669), (7, 3969667), (13, 2137513), (47, 591227), (73, 380653), (89, 312221), (91, 305359), (329, 84461), (511, 54379), (611, 45479), (623, 44603), (949, 29281), (1157, 24017), (3431, 8099), (4183, 6643), (4277, 6497)]