299997

素因数分解:

$3^3\times {\mathrm{41}}^1\times {\mathrm{271}}^1$

素因数の和:321

約数の個数: 16

約数和(自身を含む): 456960

約数和(自身を除く): 156963

約数列:

[1, 3, 9, 27, 41, 123, 271, 369, 813, 1107, 2439, 7317, 11111, 33333, 99999, 299997]

約数ペア:

[(1, 299997), (3, 99999), (9, 33333), (27, 11111), (41, 7317), (123, 2439), (271, 1107), (369, 813)]