27911709

素因数分解:

$3^5\times 7^1\times {\mathrm{61}}^1\times {\mathrm{269}}^1$

素因数の和:352

約数の個数: 48

約数和(自身を含む): 48746880

約数和(自身を除く): 20835171

約数列:

[1, 3, 7, 9, 21, 27, 61, 63, 81, 183, 189, 243, 269, 427, 549, 567, 807, 1281, 1647, 1701, 1883, 2421, 3843, 4941, 5649, 7263, 11529, 14823, 16409, 16947, 21789, 34587, 49227, 50841, 65367, 103761, 114863, 147681, 152523, 344589, 443043, 457569, 1033767, 1329129, 3101301, 3987387, 9303903, 27911709]

約数ペア:

[(1, 27911709), (3, 9303903), (7, 3987387), (9, 3101301), (21, 1329129), (27, 1033767), (61, 457569), (63, 443043), (81, 344589), (183, 152523), (189, 147681), (243, 114863), (269, 103761), (427, 65367), (549, 50841), (567, 49227), (807, 34587), (1281, 21789), (1647, 16947), (1701, 16409), (1883, 14823), (2421, 11529), (3843, 7263), (4941, 5649)]