42678657

素因数分解:

$3^4\times 7^2\times {\mathrm{10753}}^1$

素因数の和:10779

約数の個数: 30

約数和(自身を含む): 74170338

約数和(自身を除く): 31491681

約数列:

[1, 3, 7, 9, 21, 27, 49, 63, 81, 147, 189, 441, 567, 1323, 3969, 10753, 32259, 75271, 96777, 225813, 290331, 526897, 677439, 870993, 1580691, 2032317, 4742073, 6096951, 14226219, 42678657]

約数ペア:

[(1, 42678657), (3, 14226219), (7, 6096951), (9, 4742073), (21, 2032317), (27, 1580691), (49, 870993), (63, 677439), (81, 526897), (147, 290331), (189, 225813), (441, 96777), (567, 75271), (1323, 32259), (3969, 10753)]