156620317

素因数分解:

$7^3\times {\mathrm{23}}^1\times {\mathrm{19853}}^1$

素因数の和:19897

約数の個数: 16

約数和(自身を含む): 190598400

約数和(自身を除く): 33978083

約数列:

[1, 7, 23, 49, 161, 343, 1127, 7889, 19853, 138971, 456619, 972797, 3196333, 6809579, 22374331, 156620317]

約数ペア:

[(1, 156620317), (7, 22374331), (23, 6809579), (49, 3196333), (161, 972797), (343, 456619), (1127, 138971), (7889, 19853)]