281890959

素因数分解:

$3^1\times 7^1\times {\mathrm{3251}}^1\times {\mathrm{4129}}^1$

素因数の和:7390

約数の個数: 16

約数和(自身を含む): 429784320

約数和(自身を除く): 147893361

約数列:

[1, 3, 7, 21, 3251, 4129, 9753, 12387, 22757, 28903, 68271, 86709, 13423379, 40270137, 93963653, 281890959]

約数ペア:

[(1, 281890959), (3, 93963653), (7, 40270137), (21, 13423379), (3251, 86709), (4129, 68271), (9753, 28903), (12387, 22757)]