42639537

素因数分解:

$3^1\times {\mathrm{67}}^1\times {\mathrm{307}}^1\times {\mathrm{691}}^1$

素因数の和:1068

約数の個数: 16

約数和(自身を含む): 57972992

約数和(自身を除く): 15333455

約数列:

[1, 3, 67, 201, 307, 691, 921, 2073, 20569, 46297, 61707, 138891, 212137, 636411, 14213179, 42639537]

約数ペア:

[(1, 42639537), (3, 14213179), (67, 636411), (201, 212137), (307, 138891), (691, 61707), (921, 46297), (2073, 20569)]