2746191

素因数分解:

$3^1\times 7^1\times {\mathrm{251}}^1\times {\mathrm{521}}^1$

素因数の和:782

約数の個数: 16

約数和(自身を含む): 4209408

約数和(自身を除く): 1463217

約数列:

[1, 3, 7, 21, 251, 521, 753, 1563, 1757, 3647, 5271, 10941, 130771, 392313, 915397, 2746191]

約数ペア:

[(1, 2746191), (3, 915397), (7, 392313), (21, 130771), (251, 10941), (521, 5271), (753, 3647), (1563, 1757)]