138657918

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{3301379}}^1$

素因数の和:3301391

約数の個数: 16

約数和(自身を含む): 316932480

約数和(自身を除く): 178274562

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 3301379, 6602758, 9904137, 19808274, 23109653, 46219306, 69328959, 138657918]

約数ペア:

[(1, 138657918), (2, 69328959), (3, 46219306), (6, 23109653), (7, 19808274), (14, 9904137), (21, 6602758), (42, 3301379)]