22780737

素因数分解:

$3^3\times 7^2\times {\mathrm{67}}^1\times {\mathrm{257}}^1$

素因数の和:347

約数の個数: 48

約数和(自身を含む): 40000320

約数和(自身を除く): 17219583

約数列:

[1, 3, 7, 9, 21, 27, 49, 63, 67, 147, 189, 201, 257, 441, 469, 603, 771, 1323, 1407, 1799, 1809, 2313, 3283, 4221, 5397, 6939, 9849, 12593, 12663, 16191, 17219, 29547, 37779, 48573, 51657, 88641, 113337, 120533, 154971, 340011, 361599, 464913, 843731, 1084797, 2531193, 3254391, 7593579, 22780737]

約数ペア:

[(1, 22780737), (3, 7593579), (7, 3254391), (9, 2531193), (21, 1084797), (27, 843731), (49, 464913), (63, 361599), (67, 340011), (147, 154971), (189, 120533), (201, 113337), (257, 88641), (441, 51657), (469, 48573), (603, 37779), (771, 29547), (1323, 17219), (1407, 16191), (1799, 12663), (1809, 12593), (2313, 9849), (3283, 6939), (4221, 5397)]