257274327

素因数分解:

$3^1\times {\mathrm{103}}^1\times {\mathrm{281}}^1\times {\mathrm{2963}}^1$

素因数の和:3350

約数の個数: 16

約数和(自身を含む): 347712768

約数和(自身を除く): 90438441

約数列:

[1, 3, 103, 281, 309, 843, 2963, 8889, 28943, 86829, 305189, 832603, 915567, 2497809, 85758109, 257274327]

約数ペア:

[(1, 257274327), (3, 85758109), (103, 2497809), (281, 915567), (309, 832603), (843, 305189), (2963, 86829), (8889, 28943)]