27741987

素因数分解:

$3^3\times 7^2\times {\mathrm{13}}^1\times {\mathrm{1613}}^1$

素因数の和:1649

約数の個数: 48

約数和(自身を含む): 51518880

約数和(自身を除く): 23776893

約数列:

[1, 3, 7, 9, 13, 21, 27, 39, 49, 63, 91, 117, 147, 189, 273, 351, 441, 637, 819, 1323, 1613, 1911, 2457, 4839, 5733, 11291, 14517, 17199, 20969, 33873, 43551, 62907, 79037, 101619, 146783, 188721, 237111, 304857, 440349, 566163, 711333, 1027481, 1321047, 2133999, 3082443, 3963141, 9247329, 27741987]

約数ペア:

[(1, 27741987), (3, 9247329), (7, 3963141), (9, 3082443), (13, 2133999), (21, 1321047), (27, 1027481), (39, 711333), (49, 566163), (63, 440349), (91, 304857), (117, 237111), (147, 188721), (189, 146783), (273, 101619), (351, 79037), (441, 62907), (637, 43551), (819, 33873), (1323, 20969), (1613, 17199), (1911, 14517), (2457, 11291), (4839, 5733)]