620319

素因数分解:

$3^1\times 7^1\times {\mathrm{109}}^1\times {\mathrm{271}}^1$

素因数の和:390

約数の個数: 16

約数和(自身を含む): 957440

約数和(自身を除く): 337121

約数列:

[1, 3, 7, 21, 109, 271, 327, 763, 813, 1897, 2289, 5691, 29539, 88617, 206773, 620319]

約数ペア:

[(1, 620319), (3, 206773), (7, 88617), (21, 29539), (109, 5691), (271, 2289), (327, 1897), (763, 813)]