289174557

素因数分解:

$3^1\times 7^1\times {\mathrm{97}}^1\times {\mathrm{141961}}^1$

素因数の和:142068

約数の個数: 16

約数和(自身を含む): 445192832

約数和(自身を除く): 156018275

約数列:

[1, 3, 7, 21, 97, 291, 679, 2037, 141961, 425883, 993727, 2981181, 13770217, 41310651, 96391519, 289174557]

約数ペア:

[(1, 289174557), (3, 96391519), (7, 41310651), (21, 13770217), (97, 2981181), (291, 993727), (679, 425883), (2037, 141961)]