139605039

素因数分解:

$3^4\times 7^1\times {\mathrm{246217}}^1$

素因数の和:246236

約数の個数: 20

約数和(自身を含む): 238339024

約数和(自身を除く): 98733985

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 567, 246217, 738651, 1723519, 2215953, 5170557, 6647859, 15511671, 19943577, 46535013, 139605039]

約数ペア:

[(1, 139605039), (3, 46535013), (7, 19943577), (9, 15511671), (21, 6647859), (27, 5170557), (63, 2215953), (81, 1723519), (189, 738651), (567, 246217)]