287707917

素因数分解:

$3^1\times 7^1\times {\mathrm{97}}^1\times {\mathrm{141241}}^1$

素因数の和:141348

約数の個数: 16

約数和(自身を含む): 442934912

約数和(自身を除く): 155226995

約数列:

[1, 3, 7, 21, 97, 291, 679, 2037, 141241, 423723, 988687, 2966061, 13700377, 41101131, 95902639, 287707917]

約数ペア:

[(1, 287707917), (3, 95902639), (7, 41101131), (21, 13700377), (97, 2966061), (291, 988687), (679, 423723), (2037, 141241)]