128221611

素因数分解:

$3^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{196961}}^1$

素因数の和:197002

約数の個数: 16

約数和(自身を含む): 201689088

約数和(自身を除く): 73467477

約数列:

[1, 3, 7, 21, 31, 93, 217, 651, 196961, 590883, 1378727, 4136181, 6105791, 18317373, 42740537, 128221611]

約数ペア:

[(1, 128221611), (3, 42740537), (7, 18317373), (21, 6105791), (31, 4136181), (93, 1378727), (217, 590883), (651, 196961)]