213877281

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{131}}^1\times {\mathrm{28643}}^1$

素因数の和:28796

約数の個数: 16

約数和(自身を含む): 302480640

約数和(自身を除く): 88603359

約数列:

[1, 3, 19, 57, 131, 393, 2489, 7467, 28643, 85929, 544217, 1632651, 3752233, 11256699, 71292427, 213877281]

約数ペア:

[(1, 213877281), (3, 71292427), (19, 11256699), (57, 3752233), (131, 1632651), (393, 544217), (2489, 85929), (7467, 28643)]