81210438

素因数分解:

$2^1\times 3^4\times {\mathrm{501299}}^1$

素因数の和:501313

約数の個数: 20

約数和(自身を含む): 181971900

約数和(自身を除く): 100761462

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 81, 162, 501299, 1002598, 1503897, 3007794, 4511691, 9023382, 13535073, 27070146, 40605219, 81210438]

約数ペア:

[(1, 81210438), (2, 40605219), (3, 27070146), (6, 13535073), (9, 9023382), (18, 4511691), (27, 3007794), (54, 1503897), (81, 1002598), (162, 501299)]