2640438

素因数分解:

$2^1\times 3^6\times {\mathrm{1811}}^1$

素因数の和:1831

約数の個数: 28

約数和(自身を含む): 5941548

約数和(自身を除く): 3301110

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 81, 162, 243, 486, 729, 1458, 1811, 3622, 5433, 10866, 16299, 32598, 48897, 97794, 146691, 293382, 440073, 880146, 1320219, 2640438]

約数ペア:

[(1, 2640438), (2, 1320219), (3, 880146), (6, 440073), (9, 293382), (18, 146691), (27, 97794), (54, 48897), (81, 32598), (162, 16299), (243, 10866), (486, 5433), (729, 3622), (1458, 1811)]