20160226947

素因数分解:

$3^1\times 7^2\times {\mathrm{137144401}}^1$

素因数の和:137144418

約数の個数: 12

約数和(自身を含む): 31268923656

約数和(自身を除く): 11108696709

約数列:

[1, 3, 7, 21, 49, 147, 137144401, 411433203, 960010807, 2880032421, 6720075649, 20160226947]

約数ペア:

[(1, 20160226947), (3, 6720075649), (7, 2880032421), (21, 960010807), (49, 411433203), (147, 137144401)]