208536321

素因数分解:

$3^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{211283}}^1$

素因数の和:211340

約数の個数: 16

約数和(自身を含む): 324532224

約数和(自身を除く): 115995903

約数列:

[1, 3, 7, 21, 47, 141, 329, 987, 211283, 633849, 1478981, 4436943, 9930301, 29790903, 69512107, 208536321]

約数ペア:

[(1, 208536321), (3, 69512107), (7, 29790903), (21, 9930301), (47, 4436943), (141, 1478981), (329, 633849), (987, 211283)]