287398221

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{383}}^1\times {\mathrm{22739}}^1$

素因数の和:23136

約数の個数: 16

約数和(自身を含む): 419143680

約数和(自身を除く): 131745459

約数列:

[1, 3, 11, 33, 383, 1149, 4213, 12639, 22739, 68217, 250129, 750387, 8709037, 26127111, 95799407, 287398221]

約数ペア:

[(1, 287398221), (3, 95799407), (11, 26127111), (33, 8709037), (383, 750387), (1149, 250129), (4213, 68217), (12639, 22739)]