285293217

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{278879}}^1$

素因数の和:278924

約数の個数: 16

約数和(自身を含む): 428359680

約数和(自身を除く): 143066463

約数列:

[1, 3, 11, 31, 33, 93, 341, 1023, 278879, 836637, 3067669, 8645249, 9203007, 25935747, 95097739, 285293217]

約数ペア:

[(1, 285293217), (3, 95097739), (11, 25935747), (31, 9203007), (33, 8645249), (93, 3067669), (341, 836637), (1023, 278879)]