27915321

素因数分解:

$3^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{28283}}^1$

素因数の和:28340

約数の個数: 16

約数和(自身を含む): 43444224

約数和(自身を除く): 15528903

約数列:

[1, 3, 7, 21, 47, 141, 329, 987, 28283, 84849, 197981, 593943, 1329301, 3987903, 9305107, 27915321]

約数ペア:

[(1, 27915321), (3, 9305107), (7, 3987903), (21, 1329301), (47, 593943), (141, 197981), (329, 84849), (987, 28283)]