27409221

素因数分解:

$3^2\times 7^1\times {\mathrm{337}}^1\times {\mathrm{1291}}^1$

素因数の和:1641

約数の個数: 24

約数和(自身を含む): 45416384

約数和(自身を除く): 18007163

約数列:

[1, 3, 7, 9, 21, 63, 337, 1011, 1291, 2359, 3033, 3873, 7077, 9037, 11619, 21231, 27111, 81333, 435067, 1305201, 3045469, 3915603, 9136407, 27409221]

約数ペア:

[(1, 27409221), (3, 9136407), (7, 3915603), (9, 3045469), (21, 1305201), (63, 435067), (337, 81333), (1011, 27111), (1291, 21231), (2359, 11619), (3033, 9037), (3873, 7077)]