863397

素因数分解:

$3^2\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{97}}^1$

素因数の和:169

約数の個数: 24

約数和(自身を含む): 1345344

約数和(自身を除く): 481947

約数列:

[1, 3, 9, 23, 43, 69, 97, 129, 207, 291, 387, 873, 989, 2231, 2967, 4171, 6693, 8901, 12513, 20079, 37539, 95933, 287799, 863397]

約数ペア:

[(1, 863397), (3, 287799), (9, 95933), (23, 37539), (43, 20079), (69, 12513), (97, 8901), (129, 6693), (207, 4171), (291, 2967), (387, 2231), (873, 989)]