20180121549

素因数分解:

$3^1\times 7^1\times {\mathrm{571}}^1\times {\mathrm{1682939}}^1$

素因数の和:1683520

約数の個数: 16

約数和(自身を含む): 30804533760

約数和(自身を除く): 10624412211

約数列:

[1, 3, 7, 21, 571, 1713, 3997, 11991, 1682939, 5048817, 11780573, 35341719, 960958169, 2882874507, 6726707183, 20180121549]

約数ペア:

[(1, 20180121549), (3, 6726707183), (7, 2882874507), (21, 960958169), (571, 35341719), (1713, 11780573), (3997, 5048817), (11991, 1682939)]