7820253

素因数分解:

$3^3\times 7^2\times {\mathrm{23}}^1\times {\mathrm{257}}^1$

素因数の和:303

約数の個数: 48

約数和(自身を含む): 14117760

約数和(自身を除く): 6297507

約数列:

[1, 3, 7, 9, 21, 23, 27, 49, 63, 69, 147, 161, 189, 207, 257, 441, 483, 621, 771, 1127, 1323, 1449, 1799, 2313, 3381, 4347, 5397, 5911, 6939, 10143, 12593, 16191, 17733, 30429, 37779, 41377, 48573, 53199, 113337, 124131, 159597, 289639, 340011, 372393, 868917, 1117179, 2606751, 7820253]

約数ペア:

[(1, 7820253), (3, 2606751), (7, 1117179), (9, 868917), (21, 372393), (23, 340011), (27, 289639), (49, 159597), (63, 124131), (69, 113337), (147, 53199), (161, 48573), (189, 41377), (207, 37779), (257, 30429), (441, 17733), (483, 16191), (621, 12593), (771, 10143), (1127, 6939), (1323, 5911), (1449, 5397), (1799, 4347), (2313, 3381)]