231489

素因数分解:

$3^2\times {\mathrm{17}}^2\times {\mathrm{89}}^1$

素因数の和:129

約数の個数: 18

約数和(自身を含む): 359190

約数和(自身を除く): 127701

約数列:

[1, 3, 9, 17, 51, 89, 153, 267, 289, 801, 867, 1513, 2601, 4539, 13617, 25721, 77163, 231489]

約数ペア:

[(1, 231489), (3, 77163), (9, 25721), (17, 13617), (51, 4539), (89, 2601), (153, 1513), (267, 867), (289, 801)]