198997569

素因数分解:

$3^2\times {\mathrm{137}}^1\times {\mathrm{251}}^1\times {\mathrm{643}}^1$

素因数の和:1037

約数の個数: 24

約数和(自身を含む): 291144672

約数和(自身を除く): 92147103

約数列:

[1, 3, 9, 137, 251, 411, 643, 753, 1233, 1929, 2259, 5787, 34387, 88091, 103161, 161393, 264273, 309483, 484179, 792819, 1452537, 22110841, 66332523, 198997569]

約数ペア:

[(1, 198997569), (3, 66332523), (9, 22110841), (137, 1452537), (251, 792819), (411, 484179), (643, 309483), (753, 264273), (1233, 161393), (1929, 103161), (2259, 88091), (5787, 34387)]