209401621

素因数分解:

${\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{47237}}^1$

素因数の和:47292

約数の個数: 16

約数和(自身を含む): 253951488

約数和(自身を除く): 44549867

約数列:

[1, 11, 13, 31, 143, 341, 403, 4433, 47237, 519607, 614081, 1464347, 6754891, 16107817, 19036511, 209401621]

約数ペア:

[(1, 209401621), (11, 19036511), (13, 16107817), (31, 6754891), (143, 1464347), (341, 614081), (403, 519607), (4433, 47237)]