69997823

素因数分解:

$7^2\times {\mathrm{17}}^2\times {\mathrm{4943}}^1$

素因数の和:4991

約数の個数: 18

約数和(自身を含む): 86515056

約数和(自身を除く): 16517233

約数列:

[1, 7, 17, 49, 119, 289, 833, 2023, 4943, 14161, 34601, 84031, 242207, 588217, 1428527, 4117519, 9999689, 69997823]

約数ペア:

[(1, 69997823), (7, 9999689), (17, 4117519), (49, 1428527), (119, 588217), (289, 242207), (833, 84031), (2023, 34601), (4943, 14161)]