287156223

素因数分解:

$3^2\times {\mathrm{37}}^1\times {\mathrm{862331}}^1$

素因数の和:862374

約数の個数: 12

約数和(自身を含む): 425992008

約数和(自身を除く): 138835785

約数列:

[1, 3, 9, 37, 111, 333, 862331, 2586993, 7760979, 31906247, 95718741, 287156223]

約数ペア:

[(1, 287156223), (3, 95718741), (9, 31906247), (37, 7760979), (111, 2586993), (333, 862331)]