1248129

素因数分解:

$3^4\times {\mathrm{19}}^1\times {\mathrm{811}}^1$

素因数の和:842

約数の個数: 20

約数和(自身を含む): 1965040

約数和(自身を除く): 716911

約数列:

[1, 3, 9, 19, 27, 57, 81, 171, 513, 811, 1539, 2433, 7299, 15409, 21897, 46227, 65691, 138681, 416043, 1248129]

約数ペア:

[(1, 1248129), (3, 416043), (9, 138681), (19, 65691), (27, 46227), (57, 21897), (81, 15409), (171, 7299), (513, 2433), (811, 1539)]