2819691

素因数分解:

$3^4\times 7^1\times {\mathrm{4973}}^1$

素因数の和:4992

約数の個数: 20

約数和(自身を含む): 4814832

約数和(自身を除く): 1995141

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 567, 4973, 14919, 34811, 44757, 104433, 134271, 313299, 402813, 939897, 2819691]

約数ペア:

[(1, 2819691), (3, 939897), (7, 402813), (9, 313299), (21, 134271), (27, 104433), (63, 44757), (81, 34811), (189, 14919), (567, 4973)]