2745519

素因数分解:

$3^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{983}}^1$

素因数の和:1019

約数の個数: 24

約数和(自身を含む): 4487040

約数和(自身を除く): 1741521

約数列:

[1, 3, 7, 19, 21, 49, 57, 133, 147, 399, 931, 983, 2793, 2949, 6881, 18677, 20643, 48167, 56031, 130739, 144501, 392217, 915173, 2745519]

約数ペア:

[(1, 2745519), (3, 915173), (7, 392217), (19, 144501), (21, 130739), (49, 56031), (57, 48167), (133, 20643), (147, 18677), (399, 6881), (931, 2949), (983, 2793)]