87121811

素因数分解:

$7^1\times {\mathrm{31}}^1\times {\mathrm{97}}^1\times {\mathrm{4139}}^1$

素因数の和:4274

約数の個数: 16

約数和(自身を含む): 103864320

約数和(自身を除く): 16742509

約数列:

[1, 7, 31, 97, 217, 679, 3007, 4139, 21049, 28973, 128309, 401483, 898163, 2810381, 12445973, 87121811]

約数ペア:

[(1, 87121811), (7, 12445973), (31, 2810381), (97, 898163), (217, 401483), (679, 128309), (3007, 28973), (4139, 21049)]