209888031

素因数分解:

$3^1\times {\mathrm{43}}^1\times {\mathrm{233}}^1\times {\mathrm{6983}}^1$

素因数の和:7262

約数の個数: 16

約数和(自身を含む): 287629056

約数和(自身を除く): 77741025

約数列:

[1, 3, 43, 129, 233, 699, 6983, 10019, 20949, 30057, 300269, 900807, 1627039, 4881117, 69962677, 209888031]

約数ペア:

[(1, 209888031), (3, 69962677), (43, 4881117), (129, 1627039), (233, 900807), (699, 300269), (6983, 30057), (10019, 20949)]