4420143

素因数分解:

$3^3\times 7^2\times {\mathrm{13}}^1\times {\mathrm{257}}^1$

素因数の和:293

約数の個数: 48

約数和(自身を含む): 8235360

約数和(自身を除く): 3815217

約数列:

[1, 3, 7, 9, 13, 21, 27, 39, 49, 63, 91, 117, 147, 189, 257, 273, 351, 441, 637, 771, 819, 1323, 1799, 1911, 2313, 2457, 3341, 5397, 5733, 6939, 10023, 12593, 16191, 17199, 23387, 30069, 37779, 48573, 70161, 90207, 113337, 163709, 210483, 340011, 491127, 631449, 1473381, 4420143]

約数ペア:

[(1, 4420143), (3, 1473381), (7, 631449), (9, 491127), (13, 340011), (21, 210483), (27, 163709), (39, 113337), (49, 90207), (63, 70161), (91, 48573), (117, 37779), (147, 30069), (189, 23387), (257, 17199), (273, 16191), (351, 12593), (441, 10023), (637, 6939), (771, 5733), (819, 5397), (1323, 3341), (1799, 2457), (1911, 2313)]