26138889

素因数分解:

$3^3\times 7^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{251}}^1$

素因数の和:315

約数の個数: 64

約数和(自身を含む): 48384000

約数和(自身を除く): 22245111

約数列:

[1, 3, 7, 9, 19, 21, 27, 29, 57, 63, 87, 133, 171, 189, 203, 251, 261, 399, 513, 551, 609, 753, 783, 1197, 1653, 1757, 1827, 2259, 3591, 3857, 4769, 4959, 5271, 5481, 6777, 7279, 11571, 14307, 14877, 15813, 21837, 33383, 34713, 42921, 47439, 50953, 65511, 100149, 104139, 128763, 138301, 152859, 196533, 300447, 414903, 458577, 901341, 968107, 1244709, 1375731, 2904321, 3734127, 8712963, 26138889]

約数ペア:

[(1, 26138889), (3, 8712963), (7, 3734127), (9, 2904321), (19, 1375731), (21, 1244709), (27, 968107), (29, 901341), (57, 458577), (63, 414903), (87, 300447), (133, 196533), (171, 152859), (189, 138301), (203, 128763), (251, 104139), (261, 100149), (399, 65511), (513, 50953), (551, 47439), (609, 42921), (753, 34713), (783, 33383), (1197, 21837), (1653, 15813), (1757, 14877), (1827, 14307), (2259, 11571), (3591, 7279), (3857, 6777), (4769, 5481), (4959, 5271)]