26605719

素因数分解:

$3^3\times 7^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{239}}^1$

素因数の和:305

約数の個数: 64

約数和(自身を含む): 49152000

約数和(自身を除く): 22546281

約数列:

[1, 3, 7, 9, 19, 21, 27, 31, 57, 63, 93, 133, 171, 189, 217, 239, 279, 399, 513, 589, 651, 717, 837, 1197, 1673, 1767, 1953, 2151, 3591, 4123, 4541, 5019, 5301, 5859, 6453, 7409, 12369, 13623, 15057, 15903, 22227, 31787, 37107, 40869, 45171, 51863, 66681, 95361, 111321, 122607, 140771, 155589, 200043, 286083, 422313, 466767, 858249, 985397, 1266939, 1400301, 2956191, 3800817, 8868573, 26605719]

約数ペア:

[(1, 26605719), (3, 8868573), (7, 3800817), (9, 2956191), (19, 1400301), (21, 1266939), (27, 985397), (31, 858249), (57, 466767), (63, 422313), (93, 286083), (133, 200043), (171, 155589), (189, 140771), (217, 122607), (239, 111321), (279, 95361), (399, 66681), (513, 51863), (589, 45171), (651, 40869), (717, 37107), (837, 31787), (1197, 22227), (1673, 15903), (1767, 15057), (1953, 13623), (2151, 12369), (3591, 7409), (4123, 6453), (4541, 5859), (5019, 5301)]