27961521

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{70079}}^1$

素因数の和:70108

約数の個数: 16

約数和(自身を含む): 44851200

約数和(自身を除く): 16889679

約数列:

[1, 3, 7, 19, 21, 57, 133, 399, 70079, 210237, 490553, 1331501, 1471659, 3994503, 9320507, 27961521]

約数ペア:

[(1, 27961521), (3, 9320507), (7, 3994503), (19, 1471659), (21, 1331501), (57, 490553), (133, 210237), (399, 70079)]