2781563841

素因数分解:

$3^3\times 7^2\times {\mathrm{2102467}}^1$

素因数の和:2102490

約数の個数: 24

約数和(自身を含む): 4793627040

約数和(自身を除く): 2012063199

約数列:

[1, 3, 7, 9, 21, 27, 49, 63, 147, 189, 441, 1323, 2102467, 6307401, 14717269, 18922203, 44151807, 56766609, 103020883, 132455421, 309062649, 397366263, 927187947, 2781563841]

約数ペア:

[(1, 2781563841), (3, 927187947), (7, 397366263), (9, 309062649), (21, 132455421), (27, 103020883), (49, 56766609), (63, 44151807), (147, 18922203), (189, 14717269), (441, 6307401), (1323, 2102467)]